Home / 1,107,019.56-1,661,160.78-433,155.72

Finding the Fourth Proportional to 1,107,019.56, 1,661,160.78 and 433,155.72

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Solution

The fourth proportional to 1,107,019.56, 1,661,160.78 and 433,155.72 is: 649,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,019.56 : 1,661,160.78 = 433,155.72 : x
  2. Step 2: Convert to fraction form
    1,107,019.56/1,661,160.78 = 433,155.72/x
  3. Step 3: Cross multiply
    1,107,019.56x = 1,661,160.78 × 433,155.72
  4. Step 4: Simplify right side
    1,107,019.56x = 719,541,293,696.66
  5. Step 5: Solve for x
    x = 719,541,293,696.66/1,107,019.56
  6. Step 6: Final answer
    x = 649,980.65

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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.