Home / 1,330,258.10-1,995,387.15-769,003.70

Finding the Fourth Proportional to 1,330,258.10, 1,995,387.15 and 769,003.70

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Solution

The fourth proportional to 1,330,258.10, 1,995,387.15 and 769,003.70 is: 1,153,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,258.10 : 1,995,387.15 = 769,003.70 : x
  2. Step 2: Convert to fraction form
    1,330,258.10/1,995,387.15 = 769,003.70/x
  3. Step 3: Cross multiply
    1,330,258.10x = 1,995,387.15 × 769,003.70
  4. Step 4: Simplify right side
    1,330,258.10x = 1,534,460,101,282.45
  5. Step 5: Solve for x
    x = 1,534,460,101,282.45/1,330,258.10
  6. Step 6: Final answer
    x = 1,153,505.55

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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.