Home / 970,545.20-1,455,817.80-929,591.60

Finding the Fourth Proportional to 970,545.20, 1,455,817.80 and 929,591.60

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Solution

The fourth proportional to 970,545.20, 1,455,817.80 and 929,591.60 is: 1,394,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,545.20 : 1,455,817.80 = 929,591.60 : x
  2. Step 2: Convert to fraction form
    970,545.20/1,455,817.80 = 929,591.60/x
  3. Step 3: Cross multiply
    970,545.20x = 1,455,817.80 × 929,591.60
  4. Step 4: Simplify right side
    970,545.20x = 1,353,315,998,010.48
  5. Step 5: Solve for x
    x = 1,353,315,998,010.48/970,545.20
  6. Step 6: Final answer
    x = 1,394,387.40

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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.