Home / 1,107,792.94-1,661,689.91-349,711.21

Finding the Fourth Proportional to 1,107,792.94, 1,661,689.91 and 349,711.21

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Solution

The fourth proportional to 1,107,792.94, 1,661,689.91 and 349,711.21 is: 524,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,792.94 : 1,661,689.91 = 349,711.21 : x
  2. Step 2: Convert to fraction form
    1,107,792.94/1,661,689.91 = 349,711.21/x
  3. Step 3: Cross multiply
    1,107,792.94x = 1,661,689.91 × 349,711.21
  4. Step 4: Simplify right side
    1,107,792.94x = 581,111,585,790.95
  5. Step 5: Solve for x
    x = 581,111,585,790.95/1,107,792.94
  6. Step 6: Final answer
    x = 524,566.97

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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.