Home / 1,153,092.20-1,591,270.32-643,812.80

Finding the Fourth Proportional to 1,153,092.20, 1,591,270.32 and 643,812.80

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Solution

The fourth proportional to 1,153,092.20, 1,591,270.32 and 643,812.80 is: 888,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,092.20 : 1,591,270.32 = 643,812.80 : x
  2. Step 2: Convert to fraction form
    1,153,092.20/1,591,270.32 = 643,812.80/x
  3. Step 3: Cross multiply
    1,153,092.20x = 1,591,270.32 × 643,812.80
  4. Step 4: Simplify right side
    1,153,092.20x = 1,024,480,200,276.10
  5. Step 5: Solve for x
    x = 1,024,480,200,276.10/1,153,092.20
  6. Step 6: Final answer
    x = 888,463.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.