Home / 1,015,942.75-1,401,947.13-580,274.55

Finding the Fourth Proportional to 1,015,942.75, 1,401,947.13 and 580,274.55

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Solution

The fourth proportional to 1,015,942.75, 1,401,947.13 and 580,274.55 is: 800,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,942.75 : 1,401,947.13 = 580,274.55 : x
  2. Step 2: Convert to fraction form
    1,015,942.75/1,401,947.13 = 580,274.55/x
  3. Step 3: Cross multiply
    1,015,942.75x = 1,401,947.13 × 580,274.55
  4. Step 4: Simplify right side
    1,015,942.75x = 813,514,239,984.54
  5. Step 5: Solve for x
    x = 813,514,239,984.54/1,015,942.75
  6. Step 6: Final answer
    x = 800,748.11

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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.