Home / 1,360,999.80-2,042,155.80-960,778.80

Finding the Fourth Proportional to 1,360,999.80, 2,042,155.80 and 960,778.80

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Solution

The fourth proportional to 1,360,999.80, 2,042,155.80 and 960,778.80 is: 1,441,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,999.80 : 2,042,155.80 = 960,778.80 : x
  2. Step 2: Convert to fraction form
    1,360,999.80/2,042,155.80 = 960,778.80/x
  3. Step 3: Cross multiply
    1,360,999.80x = 2,042,155.80 × 960,778.80
  4. Step 4: Simplify right side
    1,360,999.80x = 1,962,059,998,937.04
  5. Step 5: Solve for x
    x = 1,962,059,998,937.04/1,360,999.80
  6. Step 6: Final answer
    x = 1,441,631.36

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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.