Home / 1,555,060.28-2,145,722.99-866,581.22

Finding the Fourth Proportional to 1,555,060.28, 2,145,722.99 and 866,581.22

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Solution

The fourth proportional to 1,555,060.28, 2,145,722.99 and 866,581.22 is: 1,195,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,060.28 : 2,145,722.99 = 866,581.22 : x
  2. Step 2: Convert to fraction form
    1,555,060.28/2,145,722.99 = 866,581.22/x
  3. Step 3: Cross multiply
    1,555,060.28x = 2,145,722.99 × 866,581.22
  4. Step 4: Simplify right side
    1,555,060.28x = 1,859,443,231,394.73
  5. Step 5: Solve for x
    x = 1,859,443,231,394.73/1,555,060.28
  6. Step 6: Final answer
    x = 1,195,737.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.