Home / 1,038,442.20-1,557,548.10-290,563.80

Finding the Fourth Proportional to 1,038,442.20, 1,557,548.10 and 290,563.80

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Solution

The fourth proportional to 1,038,442.20, 1,557,548.10 and 290,563.80 is: 435,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,442.20 : 1,557,548.10 = 290,563.80 : x
  2. Step 2: Convert to fraction form
    1,038,442.20/1,557,548.10 = 290,563.80/x
  3. Step 3: Cross multiply
    1,038,442.20x = 1,557,548.10 × 290,563.80
  4. Step 4: Simplify right side
    1,038,442.20x = 452,567,094,618.78
  5. Step 5: Solve for x
    x = 452,567,094,618.78/1,038,442.20
  6. Step 6: Final answer
    x = 435,813.47

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Double scale
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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.