Home / 1,345,129.88-1,856,186.28-756,517.46

Finding the Fourth Proportional to 1,345,129.88, 1,856,186.28 and 756,517.46

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Solution

The fourth proportional to 1,345,129.88, 1,856,186.28 and 756,517.46 is: 1,043,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,129.88 : 1,856,186.28 = 756,517.46 : x
  2. Step 2: Convert to fraction form
    1,345,129.88/1,856,186.28 = 756,517.46/x
  3. Step 3: Cross multiply
    1,345,129.88x = 1,856,186.28 × 756,517.46
  4. Step 4: Simplify right side
    1,345,129.88x = 1,404,237,320,551.52
  5. Step 5: Solve for x
    x = 1,404,237,320,551.52/1,345,129.88
  6. Step 6: Final answer
    x = 1,043,941.81

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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.