Home / 906,087.16-1,358,949.30-861,124.60

Finding the Fourth Proportional to 906,087.16, 1,358,949.30 and 861,124.60

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Solution

The fourth proportional to 906,087.16, 1,358,949.30 and 861,124.60 is: 1,291,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,087.16 : 1,358,949.30 = 861,124.60 : x
  2. Step 2: Convert to fraction form
    906,087.16/1,358,949.30 = 861,124.60/x
  3. Step 3: Cross multiply
    906,087.16x = 1,358,949.30 × 861,124.60
  4. Step 4: Simplify right side
    906,087.16x = 1,170,224,672,382.78
  5. Step 5: Solve for x
    x = 1,170,224,672,382.78/906,087.16
  6. Step 6: Final answer
    x = 1,291,514.46

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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.