Home / 1,291,372.60-1,936,367.70-542,572.60

Finding the Fourth Proportional to 1,291,372.60, 1,936,367.70 and 542,572.60

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Solution

The fourth proportional to 1,291,372.60, 1,936,367.70 and 542,572.60 is: 813,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,372.60 : 1,936,367.70 = 542,572.60 : x
  2. Step 2: Convert to fraction form
    1,291,372.60/1,936,367.70 = 542,572.60/x
  3. Step 3: Cross multiply
    1,291,372.60x = 1,936,367.70 × 542,572.60
  4. Step 4: Simplify right side
    1,291,372.60x = 1,050,620,057,545.02
  5. Step 5: Solve for x
    x = 1,050,620,057,545.02/1,291,372.60
  6. Step 6: Final answer
    x = 813,568.49

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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.