Home / 1,251,378.30-1,877,067.42-577,260.15

Finding the Fourth Proportional to 1,251,378.30, 1,877,067.42 and 577,260.15

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Solution

The fourth proportional to 1,251,378.30, 1,877,067.42 and 577,260.15 is: 865,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,378.30 : 1,877,067.42 = 577,260.15 : x
  2. Step 2: Convert to fraction form
    1,251,378.30/1,877,067.42 = 577,260.15/x
  3. Step 3: Cross multiply
    1,251,378.30x = 1,877,067.42 × 577,260.15
  4. Step 4: Simplify right side
    1,251,378.30x = 1,083,556,220,429.31
  5. Step 5: Solve for x
    x = 1,083,556,220,429.31/1,251,378.30
  6. Step 6: Final answer
    x = 865,890.21

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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.