Home / 1,100,564.90-1,650,847.35-680,660.90

Finding the Fourth Proportional to 1,100,564.90, 1,650,847.35 and 680,660.90

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Solution

The fourth proportional to 1,100,564.90, 1,650,847.35 and 680,660.90 is: 1,020,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,564.90 : 1,650,847.35 = 680,660.90 : x
  2. Step 2: Convert to fraction form
    1,100,564.90/1,650,847.35 = 680,660.90/x
  3. Step 3: Cross multiply
    1,100,564.90x = 1,650,847.35 × 680,660.90
  4. Step 4: Simplify right side
    1,100,564.90x = 1,123,667,243,013.62
  5. Step 5: Solve for x
    x = 1,123,667,243,013.62/1,100,564.90
  6. Step 6: Final answer
    x = 1,020,991.35

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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.