Home / 1,031,877.20-1,547,961.60-321,831.20

Finding the Fourth Proportional to 1,031,877.20, 1,547,961.60 and 321,831.20

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Solution

The fourth proportional to 1,031,877.20, 1,547,961.60 and 321,831.20 is: 482,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,877.20 : 1,547,961.60 = 321,831.20 : x
  2. Step 2: Convert to fraction form
    1,031,877.20/1,547,961.60 = 321,831.20/x
  3. Step 3: Cross multiply
    1,031,877.20x = 1,547,961.60 × 321,831.20
  4. Step 4: Simplify right side
    1,031,877.20x = 498,182,339,281.92
  5. Step 5: Solve for x
    x = 498,182,339,281.92/1,031,877.20
  6. Step 6: Final answer
    x = 482,792.27

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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.