Home / 781,627.54-1,165,869.67-709,872.07

Finding the Fourth Proportional to 781,627.54, 1,165,869.67 and 709,872.07

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Solution

The fourth proportional to 781,627.54, 1,165,869.67 and 709,872.07 is: 1,058,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,627.54 : 1,165,869.67 = 709,872.07 : x
  2. Step 2: Convert to fraction form
    781,627.54/1,165,869.67 = 709,872.07/x
  3. Step 3: Cross multiply
    781,627.54x = 1,165,869.67 × 709,872.07
  4. Step 4: Simplify right side
    781,627.54x = 827,618,315,993.12
  5. Step 5: Solve for x
    x = 827,618,315,993.12/781,627.54
  6. Step 6: Final answer
    x = 1,058,839.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.