Home / 1,201,707.72-1,656,589.86-914,727.96

Finding the Fourth Proportional to 1,201,707.72, 1,656,589.86 and 914,727.96

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Solution

The fourth proportional to 1,201,707.72, 1,656,589.86 and 914,727.96 is: 1,260,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,707.72 : 1,656,589.86 = 914,727.96 : x
  2. Step 2: Convert to fraction form
    1,201,707.72/1,656,589.86 = 914,727.96/x
  3. Step 3: Cross multiply
    1,201,707.72x = 1,656,589.86 × 914,727.96
  4. Step 4: Simplify right side
    1,201,707.72x = 1,515,329,063,194.49
  5. Step 5: Solve for x
    x = 1,515,329,063,194.49/1,201,707.72
  6. Step 6: Final answer
    x = 1,260,979.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.