Home / 1,015,270.88-1,401,112.42-579,759.20

Finding the Fourth Proportional to 1,015,270.88, 1,401,112.42 and 579,759.20

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Solution

The fourth proportional to 1,015,270.88, 1,401,112.42 and 579,759.20 is: 800,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,270.88 : 1,401,112.42 = 579,759.20 : x
  2. Step 2: Convert to fraction form
    1,015,270.88/1,401,112.42 = 579,759.20/x
  3. Step 3: Cross multiply
    1,015,270.88x = 1,401,112.42 × 579,759.20
  4. Step 4: Simplify right side
    1,015,270.88x = 812,307,807,274.30
  5. Step 5: Solve for x
    x = 812,307,807,274.30/1,015,270.88
  6. Step 6: Final answer
    x = 800,089.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.