Home / 1,124,509.38-1,550,208.78-801,658.97

Finding the Fourth Proportional to 1,124,509.38, 1,550,208.78 and 801,658.97

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Solution

The fourth proportional to 1,124,509.38, 1,550,208.78 and 801,658.97 is: 1,105,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,509.38 : 1,550,208.78 = 801,658.97 : x
  2. Step 2: Convert to fraction form
    1,124,509.38/1,550,208.78 = 801,658.97/x
  3. Step 3: Cross multiply
    1,124,509.38x = 1,550,208.78 × 801,658.97
  4. Step 4: Simplify right side
    1,124,509.38x = 1,242,738,780,641.92
  5. Step 5: Solve for x
    x = 1,242,738,780,641.92/1,124,509.38
  6. Step 6: Final answer
    x = 1,105,138.65

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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.