Home / 1,330,517.80-1,836,114.78-718,670.80

Finding the Fourth Proportional to 1,330,517.80, 1,836,114.78 and 718,670.80

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Solution

The fourth proportional to 1,330,517.80, 1,836,114.78 and 718,670.80 is: 991,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,517.80 : 1,836,114.78 = 718,670.80 : x
  2. Step 2: Convert to fraction form
    1,330,517.80/1,836,114.78 = 718,670.80/x
  3. Step 3: Cross multiply
    1,330,517.80x = 1,836,114.78 × 718,670.80
  4. Step 4: Simplify right side
    1,330,517.80x = 1,319,562,077,834.42
  5. Step 5: Solve for x
    x = 1,319,562,077,834.42/1,330,517.80
  6. Step 6: Final answer
    x = 991,765.82

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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.