Home / 851,538.30-1,277,307.45-818,879.10

Finding the Fourth Proportional to 851,538.30, 1,277,307.45 and 818,879.10

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Solution

The fourth proportional to 851,538.30, 1,277,307.45 and 818,879.10 is: 1,228,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,538.30 : 1,277,307.45 = 818,879.10 : x
  2. Step 2: Convert to fraction form
    851,538.30/1,277,307.45 = 818,879.10/x
  3. Step 3: Cross multiply
    851,538.30x = 1,277,307.45 × 818,879.10
  4. Step 4: Simplify right side
    851,538.30x = 1,045,960,375,079.30
  5. Step 5: Solve for x
    x = 1,045,960,375,079.30/851,538.30
  6. Step 6: Final answer
    x = 1,228,318.65

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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.