Home / 1,228,301.52-1,695,182.22-738,429.62

Finding the Fourth Proportional to 1,228,301.52, 1,695,182.22 and 738,429.62

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Solution

The fourth proportional to 1,228,301.52, 1,695,182.22 and 738,429.62 is: 1,019,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,301.52 : 1,695,182.22 = 738,429.62 : x
  2. Step 2: Convert to fraction form
    1,228,301.52/1,695,182.22 = 738,429.62/x
  3. Step 3: Cross multiply
    1,228,301.52x = 1,695,182.22 × 738,429.62
  4. Step 4: Simplify right side
    1,228,301.52x = 1,251,772,769,552.42
  5. Step 5: Solve for x
    x = 1,251,772,769,552.42/1,228,301.52
  6. Step 6: Final answer
    x = 1,019,108.71

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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.