Home / 1,228,304.27-1,695,186.03-738,432.38

Finding the Fourth Proportional to 1,228,304.27, 1,695,186.03 and 738,432.38

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Solution

The fourth proportional to 1,228,304.27, 1,695,186.03 and 738,432.38 is: 1,019,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,304.27 : 1,695,186.03 = 738,432.38 : x
  2. Step 2: Convert to fraction form
    1,228,304.27/1,695,186.03 = 738,432.38/x
  3. Step 3: Cross multiply
    1,228,304.27x = 1,695,186.03 × 738,432.38
  4. Step 4: Simplify right side
    1,228,304.27x = 1,251,780,254,675.65
  5. Step 5: Solve for x
    x = 1,251,780,254,675.65/1,228,304.27
  6. Step 6: Final answer
    x = 1,019,112.52

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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.