Home / 1,018,192.25-1,527,620.13-485,643.98

Finding the Fourth Proportional to 1,018,192.25, 1,527,620.13 and 485,643.98

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Solution

The fourth proportional to 1,018,192.25, 1,527,620.13 and 485,643.98 is: 728,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,192.25 : 1,527,620.13 = 485,643.98 : x
  2. Step 2: Convert to fraction form
    1,018,192.25/1,527,620.13 = 485,643.98/x
  3. Step 3: Cross multiply
    1,018,192.25x = 1,527,620.13 × 485,643.98
  4. Step 4: Simplify right side
    1,018,192.25x = 741,879,512,223.22
  5. Step 5: Solve for x
    x = 741,879,512,223.22/1,018,192.25
  6. Step 6: Final answer
    x = 728,624.20

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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.