Home / 1,217,292.96-1,679,671.44-787,591.20

Finding the Fourth Proportional to 1,217,292.96, 1,679,671.44 and 787,591.20

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Solution

The fourth proportional to 1,217,292.96, 1,679,671.44 and 787,591.20 is: 1,086,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,292.96 : 1,679,671.44 = 787,591.20 : x
  2. Step 2: Convert to fraction form
    1,217,292.96/1,679,671.44 = 787,591.20/x
  3. Step 3: Cross multiply
    1,217,292.96x = 1,679,671.44 × 787,591.20
  4. Step 4: Simplify right side
    1,217,292.96x = 1,322,894,445,035.33
  5. Step 5: Solve for x
    x = 1,322,894,445,035.33/1,217,292.96
  6. Step 6: Final answer
    x = 1,086,751.08

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Why These Related Problems?

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