Home / 1,254,769.18-1,731,738.39-711,080.07

Finding the Fourth Proportional to 1,254,769.18, 1,731,738.39 and 711,080.07

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Solution

The fourth proportional to 1,254,769.18, 1,731,738.39 and 711,080.07 is: 981,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,769.18 : 1,731,738.39 = 711,080.07 : x
  2. Step 2: Convert to fraction form
    1,254,769.18/1,731,738.39 = 711,080.07/x
  3. Step 3: Cross multiply
    1,254,769.18x = 1,731,738.39 × 711,080.07
  4. Step 4: Simplify right side
    1,254,769.18x = 1,231,404,646,422.32
  5. Step 5: Solve for x
    x = 1,231,404,646,422.32/1,254,769.18
  6. Step 6: Final answer
    x = 981,379.42

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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.