Home / 755,363.80-1,133,045.70-747,490.60

Finding the Fourth Proportional to 755,363.80, 1,133,045.70 and 747,490.60

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Solution

The fourth proportional to 755,363.80, 1,133,045.70 and 747,490.60 is: 1,121,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,363.80 : 1,133,045.70 = 747,490.60 : x
  2. Step 2: Convert to fraction form
    755,363.80/1,133,045.70 = 747,490.60/x
  3. Step 3: Cross multiply
    755,363.80x = 1,133,045.70 × 747,490.60
  4. Step 4: Simplify right side
    755,363.80x = 846,941,010,120.42
  5. Step 5: Solve for x
    x = 846,941,010,120.42/755,363.80
  6. Step 6: Final answer
    x = 1,121,235.90

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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.