Home / 1,332,579.28-1,999,160.76-385,988.56

Finding the Fourth Proportional to 1,332,579.28, 1,999,160.76 and 385,988.56

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Solution

The fourth proportional to 1,332,579.28, 1,999,160.76 and 385,988.56 is: 579,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,579.28 : 1,999,160.76 = 385,988.56 : x
  2. Step 2: Convert to fraction form
    1,332,579.28/1,999,160.76 = 385,988.56/x
  3. Step 3: Cross multiply
    1,332,579.28x = 1,999,160.76 × 385,988.56
  4. Step 4: Simplify right side
    1,332,579.28x = 771,653,182,960.91
  5. Step 5: Solve for x
    x = 771,653,182,960.91/1,332,579.28
  6. Step 6: Final answer
    x = 579,067.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.