Home / 1,015,622-1,401,604.08-580,077.20

Finding the Fourth Proportional to 1,015,622, 1,401,604.08 and 580,077.20

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Solution

The fourth proportional to 1,015,622, 1,401,604.08 and 580,077.20 is: 800,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,622 : 1,401,604.08 = 580,077.20 : x
  2. Step 2: Convert to fraction form
    1,015,622/1,401,604.08 = 580,077.20/x
  3. Step 3: Cross multiply
    1,015,622x = 1,401,604.08 × 580,077.20
  4. Step 4: Simplify right side
    1,015,622x = 813,038,570,234.98
  5. Step 5: Solve for x
    x = 813,038,570,234.98/1,015,622
  6. Step 6: Final answer
    x = 800,532.65

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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.