Home / 1,320,963.92-1,822,975.30-740,211.56

Finding the Fourth Proportional to 1,320,963.92, 1,822,975.30 and 740,211.56

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Solution

The fourth proportional to 1,320,963.92, 1,822,975.30 and 740,211.56 is: 1,021,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,963.92 : 1,822,975.30 = 740,211.56 : x
  2. Step 2: Convert to fraction form
    1,320,963.92/1,822,975.30 = 740,211.56/x
  3. Step 3: Cross multiply
    1,320,963.92x = 1,822,975.30 × 740,211.56
  4. Step 4: Simplify right side
    1,320,963.92x = 1,349,387,390,654.47
  5. Step 5: Solve for x
    x = 1,349,387,390,654.47/1,320,963.92
  6. Step 6: Final answer
    x = 1,021,517.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.