Home / 1,129,278.60-1,695,230.10-680,506.20

Finding the Fourth Proportional to 1,129,278.60, 1,695,230.10 and 680,506.20

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Solution

The fourth proportional to 1,129,278.60, 1,695,230.10 and 680,506.20 is: 1,021,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,278.60 : 1,695,230.10 = 680,506.20 : x
  2. Step 2: Convert to fraction form
    1,129,278.60/1,695,230.10 = 680,506.20/x
  3. Step 3: Cross multiply
    1,129,278.60x = 1,695,230.10 × 680,506.20
  4. Step 4: Simplify right side
    1,129,278.60x = 1,153,614,593,476.62
  5. Step 5: Solve for x
    x = 1,153,614,593,476.62/1,129,278.60
  6. Step 6: Final answer
    x = 1,021,550.04

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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.