Home / 1,205,149.52-1,663,050.76-661,272.08

Finding the Fourth Proportional to 1,205,149.52, 1,663,050.76 and 661,272.08

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Solution

The fourth proportional to 1,205,149.52, 1,663,050.76 and 661,272.08 is: 912,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,149.52 : 1,663,050.76 = 661,272.08 : x
  2. Step 2: Convert to fraction form
    1,205,149.52/1,663,050.76 = 661,272.08/x
  3. Step 3: Cross multiply
    1,205,149.52x = 1,663,050.76 × 661,272.08
  4. Step 4: Simplify right side
    1,205,149.52x = 1,099,729,035,210.78
  5. Step 5: Solve for x
    x = 1,099,729,035,210.78/1,205,149.52
  6. Step 6: Final answer
    x = 912,524.97

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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.