Home / 1,332,379.40-1,997,584.14-691,763.36

Finding the Fourth Proportional to 1,332,379.40, 1,997,584.14 and 691,763.36

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Solution

The fourth proportional to 1,332,379.40, 1,997,584.14 and 691,763.36 is: 1,037,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,379.40 : 1,997,584.14 = 691,763.36 : x
  2. Step 2: Convert to fraction form
    1,332,379.40/1,997,584.14 = 691,763.36/x
  3. Step 3: Cross multiply
    1,332,379.40x = 1,997,584.14 × 691,763.36
  4. Step 4: Simplify right side
    1,332,379.40x = 1,381,855,516,569.11
  5. Step 5: Solve for x
    x = 1,381,855,516,569.11/1,332,379.40
  6. Step 6: Final answer
    x = 1,037,133.65

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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.