Home / 889,195.38-1,333,791.08-687,085.40

Finding the Fourth Proportional to 889,195.38, 1,333,791.08 and 687,085.40

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Solution

The fourth proportional to 889,195.38, 1,333,791.08 and 687,085.40 is: 1,030,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,195.38 : 1,333,791.08 = 687,085.40 : x
  2. Step 2: Convert to fraction form
    889,195.38/1,333,791.08 = 687,085.40/x
  3. Step 3: Cross multiply
    889,195.38x = 1,333,791.08 × 687,085.40
  4. Step 4: Simplify right side
    889,195.38x = 916,428,367,613.85
  5. Step 5: Solve for x
    x = 916,428,367,613.85/889,195.38
  6. Step 6: Final answer
    x = 1,030,626.55

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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.