Home / 1,225,982.38-1,691,829.19-709,758.16

Finding the Fourth Proportional to 1,225,982.38, 1,691,829.19 and 709,758.16

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Solution

The fourth proportional to 1,225,982.38, 1,691,829.19 and 709,758.16 is: 979,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,982.38 : 1,691,829.19 = 709,758.16 : x
  2. Step 2: Convert to fraction form
    1,225,982.38/1,691,829.19 = 709,758.16/x
  3. Step 3: Cross multiply
    1,225,982.38x = 1,691,829.19 × 709,758.16
  4. Step 4: Simplify right side
    1,225,982.38x = 1,200,789,572,928.69
  5. Step 5: Solve for x
    x = 1,200,789,572,928.69/1,225,982.38
  6. Step 6: Final answer
    x = 979,450.92

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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.