Home / 1,464,947.70-2,198,717.55-865,158.90

Finding the Fourth Proportional to 1,464,947.70, 2,198,717.55 and 865,158.90

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Solution

The fourth proportional to 1,464,947.70, 2,198,717.55 and 865,158.90 is: 1,298,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,947.70 : 2,198,717.55 = 865,158.90 : x
  2. Step 2: Convert to fraction form
    1,464,947.70/2,198,717.55 = 865,158.90/x
  3. Step 3: Cross multiply
    1,464,947.70x = 2,198,717.55 × 865,158.90
  4. Step 4: Simplify right side
    1,464,947.70x = 1,902,240,056,968.69
  5. Step 5: Solve for x
    x = 1,902,240,056,968.69/1,464,947.70
  6. Step 6: Final answer
    x = 1,298,503.73

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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.