Home / 1,086,447.20-1,632,128.40-754,671.20

Finding the Fourth Proportional to 1,086,447.20, 1,632,128.40 and 754,671.20

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Solution

The fourth proportional to 1,086,447.20, 1,632,128.40 and 754,671.20 is: 1,133,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,447.20 : 1,632,128.40 = 754,671.20 : x
  2. Step 2: Convert to fraction form
    1,086,447.20/1,632,128.40 = 754,671.20/x
  3. Step 3: Cross multiply
    1,086,447.20x = 1,632,128.40 × 754,671.20
  4. Step 4: Simplify right side
    1,086,447.20x = 1,231,720,298,182.08
  5. Step 5: Solve for x
    x = 1,231,720,298,182.08/1,086,447.20
  6. Step 6: Final answer
    x = 1,133,713.91

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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.