Home / 1,818,864.30-2,727,197.52-724,817.40

Finding the Fourth Proportional to 1,818,864.30, 2,727,197.52 and 724,817.40

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Solution

The fourth proportional to 1,818,864.30, 2,727,197.52 and 724,817.40 is: 1,086,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,864.30 : 2,727,197.52 = 724,817.40 : x
  2. Step 2: Convert to fraction form
    1,818,864.30/2,727,197.52 = 724,817.40/x
  3. Step 3: Cross multiply
    1,818,864.30x = 2,727,197.52 × 724,817.40
  4. Step 4: Simplify right side
    1,818,864.30x = 1,976,720,215,732.85
  5. Step 5: Solve for x
    x = 1,976,720,215,732.85/1,818,864.30
  6. Step 6: Final answer
    x = 1,086,788.18

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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.