Home / 972,008.80-1,458,013.20-668,890.60

Finding the Fourth Proportional to 972,008.80, 1,458,013.20 and 668,890.60

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Solution

The fourth proportional to 972,008.80, 1,458,013.20 and 668,890.60 is: 1,003,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,008.80 : 1,458,013.20 = 668,890.60 : x
  2. Step 2: Convert to fraction form
    972,008.80/1,458,013.20 = 668,890.60/x
  3. Step 3: Cross multiply
    972,008.80x = 1,458,013.20 × 668,890.60
  4. Step 4: Simplify right side
    972,008.80x = 975,251,324,155.92
  5. Step 5: Solve for x
    x = 975,251,324,155.92/972,008.80
  6. Step 6: Final answer
    x = 1,003,335.90

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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.