Home / 781,979.40-1,174,718.70-750,097.80

Finding the Fourth Proportional to 781,979.40, 1,174,718.70 and 750,097.80

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Solution

The fourth proportional to 781,979.40, 1,174,718.70 and 750,097.80 is: 1,126,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,979.40 : 1,174,718.70 = 750,097.80 : x
  2. Step 2: Convert to fraction form
    781,979.40/1,174,718.70 = 750,097.80/x
  3. Step 3: Cross multiply
    781,979.40x = 1,174,718.70 × 750,097.80
  4. Step 4: Simplify right side
    781,979.40x = 881,153,912,488.86
  5. Step 5: Solve for x
    x = 881,153,912,488.86/781,979.40
  6. Step 6: Final answer
    x = 1,126,824.97

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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.