Home / 1,123,731.20-1,685,596.80-651,630.80

Finding the Fourth Proportional to 1,123,731.20, 1,685,596.80 and 651,630.80

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Solution

The fourth proportional to 1,123,731.20, 1,685,596.80 and 651,630.80 is: 977,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,731.20 : 1,685,596.80 = 651,630.80 : x
  2. Step 2: Convert to fraction form
    1,123,731.20/1,685,596.80 = 651,630.80/x
  3. Step 3: Cross multiply
    1,123,731.20x = 1,685,596.80 × 651,630.80
  4. Step 4: Simplify right side
    1,123,731.20x = 1,098,386,791,261.44
  5. Step 5: Solve for x
    x = 1,098,386,791,261.44/1,123,731.20
  6. Step 6: Final answer
    x = 977,446.20

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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.