Home / 1,267,326.28-1,748,843.38-723,440.44

Finding the Fourth Proportional to 1,267,326.28, 1,748,843.38 and 723,440.44

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Solution

The fourth proportional to 1,267,326.28, 1,748,843.38 and 723,440.44 is: 998,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,326.28 : 1,748,843.38 = 723,440.44 : x
  2. Step 2: Convert to fraction form
    1,267,326.28/1,748,843.38 = 723,440.44/x
  3. Step 3: Cross multiply
    1,267,326.28x = 1,748,843.38 × 723,440.44
  4. Step 4: Simplify right side
    1,267,326.28x = 1,265,184,024,318.29
  5. Step 5: Solve for x
    x = 1,265,184,024,318.29/1,267,326.28
  6. Step 6: Final answer
    x = 998,309.63

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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.