Home / 1,031,442-1,547,201.92-321,467.28

Finding the Fourth Proportional to 1,031,442, 1,547,201.92 and 321,467.28

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Solution

The fourth proportional to 1,031,442, 1,547,201.92 and 321,467.28 is: 482,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,442 : 1,547,201.92 = 321,467.28 : x
  2. Step 2: Convert to fraction form
    1,031,442/1,547,201.92 = 321,467.28/x
  3. Step 3: Cross multiply
    1,031,442x = 1,547,201.92 × 321,467.28
  4. Step 4: Simplify right side
    1,031,442x = 497,374,792,833.18
  5. Step 5: Solve for x
    x = 497,374,792,833.18/1,031,442
  6. Step 6: Final answer
    x = 482,213.05

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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.