Home / 741,854.70-1,112,782.05-688,710.60

Finding the Fourth Proportional to 741,854.70, 1,112,782.05 and 688,710.60

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Solution

The fourth proportional to 741,854.70, 1,112,782.05 and 688,710.60 is: 1,033,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,854.70 : 1,112,782.05 = 688,710.60 : x
  2. Step 2: Convert to fraction form
    741,854.70/1,112,782.05 = 688,710.60/x
  3. Step 3: Cross multiply
    741,854.70x = 1,112,782.05 × 688,710.60
  4. Step 4: Simplify right side
    741,854.70x = 766,384,793,324.73
  5. Step 5: Solve for x
    x = 766,384,793,324.73/741,854.70
  6. Step 6: Final answer
    x = 1,033,065.90

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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.