Home / 1,153,086.15-1,728,128.95-469,175.97

Finding the Fourth Proportional to 1,153,086.15, 1,728,128.95 and 469,175.97

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Solution

The fourth proportional to 1,153,086.15, 1,728,128.95 and 469,175.97 is: 703,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,086.15 : 1,728,128.95 = 469,175.97 : x
  2. Step 2: Convert to fraction form
    1,153,086.15/1,728,128.95 = 469,175.97/x
  3. Step 3: Cross multiply
    1,153,086.15x = 1,728,128.95 × 469,175.97
  4. Step 4: Simplify right side
    1,153,086.15x = 810,796,576,401.33
  5. Step 5: Solve for x
    x = 810,796,576,401.33/1,153,086.15
  6. Step 6: Final answer
    x = 703,153.51

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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.