Home / 1,008,910.76-1,392,306.38-556,217.96

Finding the Fourth Proportional to 1,008,910.76, 1,392,306.38 and 556,217.96

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Solution

The fourth proportional to 1,008,910.76, 1,392,306.38 and 556,217.96 is: 767,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,910.76 : 1,392,306.38 = 556,217.96 : x
  2. Step 2: Convert to fraction form
    1,008,910.76/1,392,306.38 = 556,217.96/x
  3. Step 3: Cross multiply
    1,008,910.76x = 1,392,306.38 × 556,217.96
  4. Step 4: Simplify right side
    1,008,910.76x = 774,425,814,378.59
  5. Step 5: Solve for x
    x = 774,425,814,378.59/1,008,910.76
  6. Step 6: Final answer
    x = 767,586.04

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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.