Home / 1,250,601.76-1,725,836.47-677,641.78

Finding the Fourth Proportional to 1,250,601.76, 1,725,836.47 and 677,641.78

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Solution

The fourth proportional to 1,250,601.76, 1,725,836.47 and 677,641.78 is: 935,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,601.76 : 1,725,836.47 = 677,641.78 : x
  2. Step 2: Convert to fraction form
    1,250,601.76/1,725,836.47 = 677,641.78/x
  3. Step 3: Cross multiply
    1,250,601.76x = 1,725,836.47 × 677,641.78
  4. Step 4: Simplify right side
    1,250,601.76x = 1,169,498,901,794.64
  5. Step 5: Solve for x
    x = 1,169,498,901,794.64/1,250,601.76
  6. Step 6: Final answer
    x = 935,148.93

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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.