Home / 1,046,071.30-1,569,106.95-287,911.30

Finding the Fourth Proportional to 1,046,071.30, 1,569,106.95 and 287,911.30

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Solution

The fourth proportional to 1,046,071.30, 1,569,106.95 and 287,911.30 is: 431,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,071.30 : 1,569,106.95 = 287,911.30 : x
  2. Step 2: Convert to fraction form
    1,046,071.30/1,569,106.95 = 287,911.30/x
  3. Step 3: Cross multiply
    1,046,071.30x = 1,569,106.95 × 287,911.30
  4. Step 4: Simplify right side
    1,046,071.30x = 451,763,621,813.54
  5. Step 5: Solve for x
    x = 451,763,621,813.54/1,046,071.30
  6. Step 6: Final answer
    x = 431,866.95

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Half scale
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Double scale
Find fourth proportional to 1,046,072.30, 1,569,108.45 and 287,912.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.