Home / 1,231,348.60-1,847,207.60-432,489.36

Finding the Fourth Proportional to 1,231,348.60, 1,847,207.60 and 432,489.36

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Solution

The fourth proportional to 1,231,348.60, 1,847,207.60 and 432,489.36 is: 648,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,348.60 : 1,847,207.60 = 432,489.36 : x
  2. Step 2: Convert to fraction form
    1,231,348.60/1,847,207.60 = 432,489.36/x
  3. Step 3: Cross multiply
    1,231,348.60x = 1,847,207.60 × 432,489.36
  4. Step 4: Simplify right side
    1,231,348.60x = 798,897,632,711.14
  5. Step 5: Solve for x
    x = 798,897,632,711.14/1,231,348.60
  6. Step 6: Final answer
    x = 648,798.91

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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.