Home / 990,792.88-1,367,410.92-588,384.88

Finding the Fourth Proportional to 990,792.88, 1,367,410.92 and 588,384.88

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Solution

The fourth proportional to 990,792.88, 1,367,410.92 and 588,384.88 is: 812,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,792.88 : 1,367,410.92 = 588,384.88 : x
  2. Step 2: Convert to fraction form
    990,792.88/1,367,410.92 = 588,384.88/x
  3. Step 3: Cross multiply
    990,792.88x = 1,367,410.92 × 588,384.88
  4. Step 4: Simplify right side
    990,792.88x = 804,563,910,074.89
  5. Step 5: Solve for x
    x = 804,563,910,074.89/990,792.88
  6. Step 6: Final answer
    x = 812,040.46

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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.