Home / 1,261,724.78-1,741,210.04-688,769.06

Finding the Fourth Proportional to 1,261,724.78, 1,741,210.04 and 688,769.06

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Solution

The fourth proportional to 1,261,724.78, 1,741,210.04 and 688,769.06 is: 950,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,724.78 : 1,741,210.04 = 688,769.06 : x
  2. Step 2: Convert to fraction form
    1,261,724.78/1,741,210.04 = 688,769.06/x
  3. Step 3: Cross multiply
    1,261,724.78x = 1,741,210.04 × 688,769.06
  4. Step 4: Simplify right side
    1,261,724.78x = 1,199,291,595,529.23
  5. Step 5: Solve for x
    x = 1,199,291,595,529.23/1,261,724.78
  6. Step 6: Final answer
    x = 950,517.59

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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.