Home / 1,001,519.79-1,382,576.29-571,716.88

Finding the Fourth Proportional to 1,001,519.79, 1,382,576.29 and 571,716.88

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Solution

The fourth proportional to 1,001,519.79, 1,382,576.29 and 571,716.88 is: 789,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,519.79 : 1,382,576.29 = 571,716.88 : x
  2. Step 2: Convert to fraction form
    1,001,519.79/1,382,576.29 = 571,716.88/x
  3. Step 3: Cross multiply
    1,001,519.79x = 1,382,576.29 × 571,716.88
  4. Step 4: Simplify right side
    1,001,519.79x = 790,442,208,987.94
  5. Step 5: Solve for x
    x = 790,442,208,987.94/1,001,519.79
  6. Step 6: Final answer
    x = 789,242.72

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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.