Home / 1,243,959.89-1,716,235.04-754,086.47

Finding the Fourth Proportional to 1,243,959.89, 1,716,235.04 and 754,086.47

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Solution

The fourth proportional to 1,243,959.89, 1,716,235.04 and 754,086.47 is: 1,040,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,959.89 : 1,716,235.04 = 754,086.47 : x
  2. Step 2: Convert to fraction form
    1,243,959.89/1,716,235.04 = 754,086.47/x
  3. Step 3: Cross multiply
    1,243,959.89x = 1,716,235.04 × 754,086.47
  4. Step 4: Simplify right side
    1,243,959.89x = 1,294,189,610,652.30
  5. Step 5: Solve for x
    x = 1,294,189,610,652.30/1,243,959.89
  6. Step 6: Final answer
    x = 1,040,378.90

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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.