Home / 1,173,334.55-1,619,214.20-720,625.55

Finding the Fourth Proportional to 1,173,334.55, 1,619,214.20 and 720,625.55

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Solution

The fourth proportional to 1,173,334.55, 1,619,214.20 and 720,625.55 is: 994,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,334.55 : 1,619,214.20 = 720,625.55 : x
  2. Step 2: Convert to fraction form
    1,173,334.55/1,619,214.20 = 720,625.55/x
  3. Step 3: Cross multiply
    1,173,334.55x = 1,619,214.20 × 720,625.55
  4. Step 4: Simplify right side
    1,173,334.55x = 1,166,847,123,442.81
  5. Step 5: Solve for x
    x = 1,166,847,123,442.81/1,173,334.55
  6. Step 6: Final answer
    x = 994,470.95

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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.