Home / 1,344,392.30-2,016,588.45-712,981.10

Finding the Fourth Proportional to 1,344,392.30, 2,016,588.45 and 712,981.10

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Solution

The fourth proportional to 1,344,392.30, 2,016,588.45 and 712,981.10 is: 1,069,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,392.30 : 2,016,588.45 = 712,981.10 : x
  2. Step 2: Convert to fraction form
    1,344,392.30/2,016,588.45 = 712,981.10/x
  3. Step 3: Cross multiply
    1,344,392.30x = 2,016,588.45 × 712,981.10
  4. Step 4: Simplify right side
    1,344,392.30x = 1,437,789,451,328.30
  5. Step 5: Solve for x
    x = 1,437,789,451,328.30/1,344,392.30
  6. Step 6: Final answer
    x = 1,069,471.65

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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.