Home / 1,248,811.20-1,723,363.92-675,851.28

Finding the Fourth Proportional to 1,248,811.20, 1,723,363.92 and 675,851.28

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Solution

The fourth proportional to 1,248,811.20, 1,723,363.92 and 675,851.28 is: 932,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,811.20 : 1,723,363.92 = 675,851.28 : x
  2. Step 2: Convert to fraction form
    1,248,811.20/1,723,363.92 = 675,851.28/x
  3. Step 3: Cross multiply
    1,248,811.20x = 1,723,363.92 × 675,851.28
  4. Step 4: Simplify right side
    1,248,811.20x = 1,164,737,711,237.82
  5. Step 5: Solve for x
    x = 1,164,737,711,237.82/1,248,811.20
  6. Step 6: Final answer
    x = 932,677.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.