Home / 1,818,865.29-2,727,199.01-724,818.40

Finding the Fourth Proportional to 1,818,865.29, 2,727,199.01 and 724,818.40

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Solution

The fourth proportional to 1,818,865.29, 2,727,199.01 and 724,818.40 is: 1,086,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,865.29 : 2,727,199.01 = 724,818.40 : x
  2. Step 2: Convert to fraction form
    1,818,865.29/2,727,199.01 = 724,818.40/x
  3. Step 3: Cross multiply
    1,818,865.29x = 2,727,199.01 × 724,818.40
  4. Step 4: Simplify right side
    1,818,865.29x = 1,976,724,022,909.78
  5. Step 5: Solve for x
    x = 1,976,724,022,909.78/1,818,865.29
  6. Step 6: Final answer
    x = 1,086,789.68

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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.