Home / 1,217,284.20-1,679,550.39-787,046.63

Finding the Fourth Proportional to 1,217,284.20, 1,679,550.39 and 787,046.63

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Solution

The fourth proportional to 1,217,284.20, 1,679,550.39 and 787,046.63 is: 1,085,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,284.20 : 1,679,550.39 = 787,046.63 : x
  2. Step 2: Convert to fraction form
    1,217,284.20/1,679,550.39 = 787,046.63/x
  3. Step 3: Cross multiply
    1,217,284.20x = 1,679,550.39 × 787,046.63
  4. Step 4: Simplify right side
    1,217,284.20x = 1,321,884,465,966.93
  5. Step 5: Solve for x
    x = 1,321,884,465,966.93/1,217,284.20
  6. Step 6: Final answer
    x = 1,085,929.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.