Home / 1,397,405.66-2,095,321.10-486,170.24

Finding the Fourth Proportional to 1,397,405.66, 2,095,321.10 and 486,170.24

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Solution

The fourth proportional to 1,397,405.66, 2,095,321.10 and 486,170.24 is: 728,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,405.66 : 2,095,321.10 = 486,170.24 : x
  2. Step 2: Convert to fraction form
    1,397,405.66/2,095,321.10 = 486,170.24/x
  3. Step 3: Cross multiply
    1,397,405.66x = 2,095,321.10 × 486,170.24
  4. Step 4: Simplify right side
    1,397,405.66x = 1,018,682,749,156.61
  5. Step 5: Solve for x
    x = 1,018,682,749,156.61/1,397,405.66
  6. Step 6: Final answer
    x = 728,981.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.