Home / 1,257,072.48-1,736,789.58-876,796.92

Finding the Fourth Proportional to 1,257,072.48, 1,736,789.58 and 876,796.92

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Solution

The fourth proportional to 1,257,072.48, 1,736,789.58 and 876,796.92 is: 1,211,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,072.48 : 1,736,789.58 = 876,796.92 : x
  2. Step 2: Convert to fraction form
    1,257,072.48/1,736,789.58 = 876,796.92/x
  3. Step 3: Cross multiply
    1,257,072.48x = 1,736,789.58 × 876,796.92
  4. Step 4: Simplify right side
    1,257,072.48x = 1,522,811,754,432.09
  5. Step 5: Solve for x
    x = 1,522,811,754,432.09/1,257,072.48
  6. Step 6: Final answer
    x = 1,211,395.35

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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.