Home / 1,418,473.80-2,128,002.30-472,523.40

Finding the Fourth Proportional to 1,418,473.80, 2,128,002.30 and 472,523.40

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Solution

The fourth proportional to 1,418,473.80, 2,128,002.30 and 472,523.40 is: 708,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,473.80 : 2,128,002.30 = 472,523.40 : x
  2. Step 2: Convert to fraction form
    1,418,473.80/2,128,002.30 = 472,523.40/x
  3. Step 3: Cross multiply
    1,418,473.80x = 2,128,002.30 × 472,523.40
  4. Step 4: Simplify right side
    1,418,473.80x = 1,005,530,882,003.82
  5. Step 5: Solve for x
    x = 1,005,530,882,003.82/1,418,473.80
  6. Step 6: Final answer
    x = 708,882.24

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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.