Home / 972,092.80-1,458,139.20-672,911.20

Finding the Fourth Proportional to 972,092.80, 1,458,139.20 and 672,911.20

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Solution

The fourth proportional to 972,092.80, 1,458,139.20 and 672,911.20 is: 1,009,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,092.80 : 1,458,139.20 = 672,911.20 : x
  2. Step 2: Convert to fraction form
    972,092.80/1,458,139.20 = 672,911.20/x
  3. Step 3: Cross multiply
    972,092.80x = 1,458,139.20 × 672,911.20
  4. Step 4: Simplify right side
    972,092.80x = 981,198,198,839.04
  5. Step 5: Solve for x
    x = 981,198,198,839.04/972,092.80
  6. Step 6: Final answer
    x = 1,009,366.80

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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.