Home / 1,109,534.60-1,664,349.38-435,761.98

Finding the Fourth Proportional to 1,109,534.60, 1,664,349.38 and 435,761.98

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Solution

The fourth proportional to 1,109,534.60, 1,664,349.38 and 435,761.98 is: 653,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,534.60 : 1,664,349.38 = 435,761.98 : x
  2. Step 2: Convert to fraction form
    1,109,534.60/1,664,349.38 = 435,761.98/x
  3. Step 3: Cross multiply
    1,109,534.60x = 1,664,349.38 × 435,761.98
  4. Step 4: Simplify right side
    1,109,534.60x = 725,260,181,240.57
  5. Step 5: Solve for x
    x = 725,260,181,240.57/1,109,534.60
  6. Step 6: Final answer
    x = 653,661.62

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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.