Home / 1,031,438-1,547,195.88-321,463.28

Finding the Fourth Proportional to 1,031,438, 1,547,195.88 and 321,463.28

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Solution

The fourth proportional to 1,031,438, 1,547,195.88 and 321,463.28 is: 482,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,438 : 1,547,195.88 = 321,463.28 : x
  2. Step 2: Convert to fraction form
    1,031,438/1,547,195.88 = 321,463.28/x
  3. Step 3: Cross multiply
    1,031,438x = 1,547,195.88 × 321,463.28
  4. Step 4: Simplify right side
    1,031,438x = 497,366,662,387.29
  5. Step 5: Solve for x
    x = 497,366,662,387.29/1,031,438
  6. Step 6: Final answer
    x = 482,207.04

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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.