Home / 752,454.33-1,129,479.65-666,458.46

Finding the Fourth Proportional to 752,454.33, 1,129,479.65 and 666,458.46

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Solution

The fourth proportional to 752,454.33, 1,129,479.65 and 666,458.46 is: 1,000,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,454.33 : 1,129,479.65 = 666,458.46 : x
  2. Step 2: Convert to fraction form
    752,454.33/1,129,479.65 = 666,458.46/x
  3. Step 3: Cross multiply
    752,454.33x = 1,129,479.65 × 666,458.46
  4. Step 4: Simplify right side
    752,454.33x = 752,751,264,808.05
  5. Step 5: Solve for x
    x = 752,751,264,808.05/752,454.33
  6. Step 6: Final answer
    x = 1,000,394.62

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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.