Home / 972,006.80-1,458,010.20-653,142.20

Finding the Fourth Proportional to 972,006.80, 1,458,010.20 and 653,142.20

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Solution

The fourth proportional to 972,006.80, 1,458,010.20 and 653,142.20 is: 979,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,006.80 : 1,458,010.20 = 653,142.20 : x
  2. Step 2: Convert to fraction form
    972,006.80/1,458,010.20 = 653,142.20/x
  3. Step 3: Cross multiply
    972,006.80x = 1,458,010.20 × 653,142.20
  4. Step 4: Simplify right side
    972,006.80x = 952,287,989,650.44
  5. Step 5: Solve for x
    x = 952,287,989,650.44/972,006.80
  6. Step 6: Final answer
    x = 979,713.30

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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.