Home / 788,814.19-1,183,221.29-720,385.39

Finding the Fourth Proportional to 788,814.19, 1,183,221.29 and 720,385.39

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Solution

The fourth proportional to 788,814.19, 1,183,221.29 and 720,385.39 is: 1,080,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,814.19 : 1,183,221.29 = 720,385.39 : x
  2. Step 2: Convert to fraction form
    788,814.19/1,183,221.29 = 720,385.39/x
  3. Step 3: Cross multiply
    788,814.19x = 1,183,221.29 × 720,385.39
  4. Step 4: Simplify right side
    788,814.19x = 852,375,330,452.95
  5. Step 5: Solve for x
    x = 852,375,330,452.95/788,814.19
  6. Step 6: Final answer
    x = 1,080,578.09

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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.