Home / 801,401.80-1,202,102.70-765,972.40

Finding the Fourth Proportional to 801,401.80, 1,202,102.70 and 765,972.40

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Solution

The fourth proportional to 801,401.80, 1,202,102.70 and 765,972.40 is: 1,148,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,401.80 : 1,202,102.70 = 765,972.40 : x
  2. Step 2: Convert to fraction form
    801,401.80/1,202,102.70 = 765,972.40/x
  3. Step 3: Cross multiply
    801,401.80x = 1,202,102.70 × 765,972.40
  4. Step 4: Simplify right side
    801,401.80x = 920,777,490,165.48
  5. Step 5: Solve for x
    x = 920,777,490,165.48/801,401.80
  6. Step 6: Final answer
    x = 1,148,958.60

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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.