Home / 1,031,448.96-1,547,393.76-321,461.28

Finding the Fourth Proportional to 1,031,448.96, 1,547,393.76 and 321,461.28

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Solution

The fourth proportional to 1,031,448.96, 1,547,393.76 and 321,461.28 is: 482,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,448.96 : 1,547,393.76 = 321,461.28 : x
  2. Step 2: Convert to fraction form
    1,031,448.96/1,547,393.76 = 321,461.28/x
  3. Step 3: Cross multiply
    1,031,448.96x = 1,547,393.76 × 321,461.28
  4. Step 4: Simplify right side
    1,031,448.96x = 497,427,178,753.61
  5. Step 5: Solve for x
    x = 497,427,178,753.61/1,031,448.96
  6. Step 6: Final answer
    x = 482,260.58

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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.