Home / 1,119,765.60-1,679,648.40-614,131.20

Finding the Fourth Proportional to 1,119,765.60, 1,679,648.40 and 614,131.20

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Solution

The fourth proportional to 1,119,765.60, 1,679,648.40 and 614,131.20 is: 921,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,765.60 : 1,679,648.40 = 614,131.20 : x
  2. Step 2: Convert to fraction form
    1,119,765.60/1,679,648.40 = 614,131.20/x
  3. Step 3: Cross multiply
    1,119,765.60x = 1,679,648.40 × 614,131.20
  4. Step 4: Simplify right side
    1,119,765.60x = 1,031,524,487,470.08
  5. Step 5: Solve for x
    x = 1,031,524,487,470.08/1,119,765.60
  6. Step 6: Final answer
    x = 921,196.80

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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.