Home / 1,433,463.12-2,151,523.28-723,989.39

Finding the Fourth Proportional to 1,433,463.12, 2,151,523.28 and 723,989.39

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Solution

The fourth proportional to 1,433,463.12, 2,151,523.28 and 723,989.39 is: 1,086,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,463.12 : 2,151,523.28 = 723,989.39 : x
  2. Step 2: Convert to fraction form
    1,433,463.12/2,151,523.28 = 723,989.39/x
  3. Step 3: Cross multiply
    1,433,463.12x = 2,151,523.28 × 723,989.39
  4. Step 4: Simplify right side
    1,433,463.12x = 1,557,680,027,058.00
  5. Step 5: Solve for x
    x = 1,557,680,027,058.00/1,433,463.12
  6. Step 6: Final answer
    x = 1,086,655.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.