Home / 1,553,271.30-2,329,906.95-431,340.30

Finding the Fourth Proportional to 1,553,271.30, 2,329,906.95 and 431,340.30

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Solution

The fourth proportional to 1,553,271.30, 2,329,906.95 and 431,340.30 is: 647,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,271.30 : 2,329,906.95 = 431,340.30 : x
  2. Step 2: Convert to fraction form
    1,553,271.30/2,329,906.95 = 431,340.30/x
  3. Step 3: Cross multiply
    1,553,271.30x = 2,329,906.95 × 431,340.30
  4. Step 4: Simplify right side
    1,553,271.30x = 1,004,982,762,785.09
  5. Step 5: Solve for x
    x = 1,004,982,762,785.09/1,553,271.30
  6. Step 6: Final answer
    x = 647,010.45

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Double scale
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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.