Home / 798,923.70-1,198,385.55-726,606.90

Finding the Fourth Proportional to 798,923.70, 1,198,385.55 and 726,606.90

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Solution

The fourth proportional to 798,923.70, 1,198,385.55 and 726,606.90 is: 1,089,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,923.70 : 1,198,385.55 = 726,606.90 : x
  2. Step 2: Convert to fraction form
    798,923.70/1,198,385.55 = 726,606.90/x
  3. Step 3: Cross multiply
    798,923.70x = 1,198,385.55 × 726,606.90
  4. Step 4: Simplify right side
    798,923.70x = 870,755,209,490.30
  5. Step 5: Solve for x
    x = 870,755,209,490.30/798,923.70
  6. Step 6: Final answer
    x = 1,089,910.35

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1.5x scale

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.