Home / 840,763.95-1,261,644.39-787,567.61

Finding the Fourth Proportional to 840,763.95, 1,261,644.39 and 787,567.61

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Solution

The fourth proportional to 840,763.95, 1,261,644.39 and 787,567.61 is: 1,181,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,763.95 : 1,261,644.39 = 787,567.61 : x
  2. Step 2: Convert to fraction form
    840,763.95/1,261,644.39 = 787,567.61/x
  3. Step 3: Cross multiply
    840,763.95x = 1,261,644.39 × 787,567.61
  4. Step 4: Simplify right side
    840,763.95x = 993,630,250,593.99
  5. Step 5: Solve for x
    x = 993,630,250,593.99/840,763.95
  6. Step 6: Final answer
    x = 1,181,818.33

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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.