Home / 1,092,117.30-1,638,175.95-994,139.70

Finding the Fourth Proportional to 1,092,117.30, 1,638,175.95 and 994,139.70

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Solution

The fourth proportional to 1,092,117.30, 1,638,175.95 and 994,139.70 is: 1,491,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,117.30 : 1,638,175.95 = 994,139.70 : x
  2. Step 2: Convert to fraction form
    1,092,117.30/1,638,175.95 = 994,139.70/x
  3. Step 3: Cross multiply
    1,092,117.30x = 1,638,175.95 × 994,139.70
  4. Step 4: Simplify right side
    1,092,117.30x = 1,628,575,747,480.22
  5. Step 5: Solve for x
    x = 1,628,575,747,480.22/1,092,117.30
  6. Step 6: Final answer
    x = 1,491,209.55

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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.