Home / 1,250,800.74-1,725,470.82-791,141.10

Finding the Fourth Proportional to 1,250,800.74, 1,725,470.82 and 791,141.10

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Solution

The fourth proportional to 1,250,800.74, 1,725,470.82 and 791,141.10 is: 1,091,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,800.74 : 1,725,470.82 = 791,141.10 : x
  2. Step 2: Convert to fraction form
    1,250,800.74/1,725,470.82 = 791,141.10/x
  3. Step 3: Cross multiply
    1,250,800.74x = 1,725,470.82 × 791,141.10
  4. Step 4: Simplify right side
    1,250,800.74x = 1,365,090,882,552.70
  5. Step 5: Solve for x
    x = 1,365,090,882,552.70/1,250,800.74
  6. Step 6: Final answer
    x = 1,091,373.58

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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.