Home / 1,343,489.07-1,854,006.80-739,872.75

Finding the Fourth Proportional to 1,343,489.07, 1,854,006.80 and 739,872.75

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Solution

The fourth proportional to 1,343,489.07, 1,854,006.80 and 739,872.75 is: 1,021,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,489.07 : 1,854,006.80 = 739,872.75 : x
  2. Step 2: Convert to fraction form
    1,343,489.07/1,854,006.80 = 739,872.75/x
  3. Step 3: Cross multiply
    1,343,489.07x = 1,854,006.80 × 739,872.75
  4. Step 4: Simplify right side
    1,343,489.07x = 1,371,729,105,935.34
  5. Step 5: Solve for x
    x = 1,371,729,105,935.34/1,343,489.07
  6. Step 6: Final answer
    x = 1,021,019.92

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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.