Home / 1,690,016.76-2,332,223.12-974,624.76

Finding the Fourth Proportional to 1,690,016.76, 2,332,223.12 and 974,624.76

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Solution

The fourth proportional to 1,690,016.76, 2,332,223.12 and 974,624.76 is: 1,344,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,016.76 : 2,332,223.12 = 974,624.76 : x
  2. Step 2: Convert to fraction form
    1,690,016.76/2,332,223.12 = 974,624.76/x
  3. Step 3: Cross multiply
    1,690,016.76x = 2,332,223.12 × 974,624.76
  4. Step 4: Simplify right side
    1,690,016.76x = 2,273,042,398,596.45
  5. Step 5: Solve for x
    x = 2,273,042,398,596.45/1,690,016.76
  6. Step 6: Final answer
    x = 1,344,982.16

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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.