Home / 867,629.60-1,301,444.40-861,724.70

Finding the Fourth Proportional to 867,629.60, 1,301,444.40 and 861,724.70

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Solution

The fourth proportional to 867,629.60, 1,301,444.40 and 861,724.70 is: 1,292,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,629.60 : 1,301,444.40 = 861,724.70 : x
  2. Step 2: Convert to fraction form
    867,629.60/1,301,444.40 = 861,724.70/x
  3. Step 3: Cross multiply
    867,629.60x = 1,301,444.40 × 861,724.70
  4. Step 4: Simplify right side
    867,629.60x = 1,121,486,785,156.68
  5. Step 5: Solve for x
    x = 1,121,486,785,156.68/867,629.60
  6. Step 6: Final answer
    x = 1,292,587.05

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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.