Home / 1,107,109.45-1,660,172.10-432,966.70

Finding the Fourth Proportional to 1,107,109.45, 1,660,172.10 and 432,966.70

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Solution

The fourth proportional to 1,107,109.45, 1,660,172.10 and 432,966.70 is: 649,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,109.45 : 1,660,172.10 = 432,966.70 : x
  2. Step 2: Convert to fraction form
    1,107,109.45/1,660,172.10 = 432,966.70/x
  3. Step 3: Cross multiply
    1,107,109.45x = 1,660,172.10 × 432,966.70
  4. Step 4: Simplify right side
    1,107,109.45x = 718,799,235,569.07
  5. Step 5: Solve for x
    x = 718,799,235,569.07/1,107,109.45
  6. Step 6: Final answer
    x = 649,257.61

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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.