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Finding the Fourth Proportional to 1,331,839.02, 1,837,488.10 and 758,473.23

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Solution

The fourth proportional to 1,331,839.02, 1,837,488.10 and 758,473.23 is: 1,046,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,839.02 : 1,837,488.10 = 758,473.23 : x
  2. Step 2: Convert to fraction form
    1,331,839.02/1,837,488.10 = 758,473.23/x
  3. Step 3: Cross multiply
    1,331,839.02x = 1,837,488.10 × 758,473.23
  4. Step 4: Simplify right side
    1,331,839.02x = 1,393,685,534,293.56
  5. Step 5: Solve for x
    x = 1,393,685,534,293.56/1,331,839.02
  6. Step 6: Final answer
    x = 1,046,436.93

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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.