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Finding the Fourth Proportional to 972,023.20, 1,458,034.80 and 866,960.80

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Solution

The fourth proportional to 972,023.20, 1,458,034.80 and 866,960.80 is: 1,300,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,023.20 : 1,458,034.80 = 866,960.80 : x
  2. Step 2: Convert to fraction form
    972,023.20/1,458,034.80 = 866,960.80/x
  3. Step 3: Cross multiply
    972,023.20x = 1,458,034.80 × 866,960.80
  4. Step 4: Simplify right side
    972,023.20x = 1,264,059,016,635.84
  5. Step 5: Solve for x
    x = 1,264,059,016,635.84/972,023.20
  6. Step 6: Final answer
    x = 1,300,441.20

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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.