Home / 1,046,121.90-1,569,182.85-809,634.30

Finding the Fourth Proportional to 1,046,121.90, 1,569,182.85 and 809,634.30

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Solution

The fourth proportional to 1,046,121.90, 1,569,182.85 and 809,634.30 is: 1,214,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,121.90 : 1,569,182.85 = 809,634.30 : x
  2. Step 2: Convert to fraction form
    1,046,121.90/1,569,182.85 = 809,634.30/x
  3. Step 3: Cross multiply
    1,046,121.90x = 1,569,182.85 × 809,634.30
  4. Step 4: Simplify right side
    1,046,121.90x = 1,270,464,258,331.76
  5. Step 5: Solve for x
    x = 1,270,464,258,331.76/1,046,121.90
  6. Step 6: Final answer
    x = 1,214,451.45

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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.