Home / 1,060,989.12-1,591,326.72-386,912.16

Finding the Fourth Proportional to 1,060,989.12, 1,591,326.72 and 386,912.16

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Solution

The fourth proportional to 1,060,989.12, 1,591,326.72 and 386,912.16 is: 580,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,989.12 : 1,591,326.72 = 386,912.16 : x
  2. Step 2: Convert to fraction form
    1,060,989.12/1,591,326.72 = 386,912.16/x
  3. Step 3: Cross multiply
    1,060,989.12x = 1,591,326.72 × 386,912.16
  4. Step 4: Simplify right side
    1,060,989.12x = 615,703,658,500.92
  5. Step 5: Solve for x
    x = 615,703,658,500.92/1,060,989.12
  6. Step 6: Final answer
    x = 580,311.00

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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.