Home / 1,320,092.48-1,979,821.46-609,437.90

Finding the Fourth Proportional to 1,320,092.48, 1,979,821.46 and 609,437.90

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Solution

The fourth proportional to 1,320,092.48, 1,979,821.46 and 609,437.90 is: 914,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,092.48 : 1,979,821.46 = 609,437.90 : x
  2. Step 2: Convert to fraction form
    1,320,092.48/1,979,821.46 = 609,437.90/x
  3. Step 3: Cross multiply
    1,320,092.48x = 1,979,821.46 × 609,437.90
  4. Step 4: Simplify right side
    1,320,092.48x = 1,206,578,232,957.33
  5. Step 5: Solve for x
    x = 1,206,578,232,957.33/1,320,092.48
  6. Step 6: Final answer
    x = 914,010.38

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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.