Home / 990,401.61-1,366,759.94-582,520.71

Finding the Fourth Proportional to 990,401.61, 1,366,759.94 and 582,520.71

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Solution

The fourth proportional to 990,401.61, 1,366,759.94 and 582,520.71 is: 803,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,401.61 : 1,366,759.94 = 582,520.71 : x
  2. Step 2: Convert to fraction form
    990,401.61/1,366,759.94 = 582,520.71/x
  3. Step 3: Cross multiply
    990,401.61x = 1,366,759.94 × 582,520.71
  4. Step 4: Simplify right side
    990,401.61x = 796,165,967,735.75
  5. Step 5: Solve for x
    x = 796,165,967,735.75/990,401.61
  6. Step 6: Final answer
    x = 803,881.94

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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.