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Finding the Fourth Proportional to 1,267,323.29, 1,748,839.25 and 723,437.45

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Solution

The fourth proportional to 1,267,323.29, 1,748,839.25 and 723,437.45 is: 998,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,323.29 : 1,748,839.25 = 723,437.45 : x
  2. Step 2: Convert to fraction form
    1,267,323.29/1,748,839.25 = 723,437.45/x
  3. Step 3: Cross multiply
    1,267,323.29x = 1,748,839.25 × 723,437.45
  4. Step 4: Simplify right side
    1,267,323.29x = 1,265,175,795,118.53
  5. Step 5: Solve for x
    x = 1,265,175,795,118.53/1,267,323.29
  6. Step 6: Final answer
    x = 998,305.49

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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.