Home / 1,261,927.52-1,741,450.96-688,967.68

Finding the Fourth Proportional to 1,261,927.52, 1,741,450.96 and 688,967.68

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Solution

The fourth proportional to 1,261,927.52, 1,741,450.96 and 688,967.68 is: 950,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,927.52 : 1,741,450.96 = 688,967.68 : x
  2. Step 2: Convert to fraction form
    1,261,927.52/1,741,450.96 = 688,967.68/x
  3. Step 3: Cross multiply
    1,261,927.52x = 1,741,450.96 × 688,967.68
  4. Step 4: Simplify right side
    1,261,927.52x = 1,199,803,427,744.97
  5. Step 5: Solve for x
    x = 1,199,803,427,744.97/1,261,927.52
  6. Step 6: Final answer
    x = 950,770.48

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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.