Home / 972,425.20-1,458,004.20-872,892.40

Finding the Fourth Proportional to 972,425.20, 1,458,004.20 and 872,892.40

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Solution

The fourth proportional to 972,425.20, 1,458,004.20 and 872,892.40 is: 1,308,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,425.20 : 1,458,004.20 = 872,892.40 : x
  2. Step 2: Convert to fraction form
    972,425.20/1,458,004.20 = 872,892.40/x
  3. Step 3: Cross multiply
    972,425.20x = 1,458,004.20 × 872,892.40
  4. Step 4: Simplify right side
    972,425.20x = 1,272,680,785,348.08
  5. Step 5: Solve for x
    x = 1,272,680,785,348.08/972,425.20
  6. Step 6: Final answer
    x = 1,308,769.85

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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.