Home / 1,051,431.40-1,577,147.10-341,531.20

Finding the Fourth Proportional to 1,051,431.40, 1,577,147.10 and 341,531.20

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Solution

The fourth proportional to 1,051,431.40, 1,577,147.10 and 341,531.20 is: 512,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,431.40 : 1,577,147.10 = 341,531.20 : x
  2. Step 2: Convert to fraction form
    1,051,431.40/1,577,147.10 = 341,531.20/x
  3. Step 3: Cross multiply
    1,051,431.40x = 1,577,147.10 × 341,531.20
  4. Step 4: Simplify right side
    1,051,431.40x = 538,644,941,639.52
  5. Step 5: Solve for x
    x = 538,644,941,639.52/1,051,431.40
  6. Step 6: Final answer
    x = 512,296.80

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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.