Home / 1,261,933.70-1,741,459.40-688,973.87

Finding the Fourth Proportional to 1,261,933.70, 1,741,459.40 and 688,973.87

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Solution

The fourth proportional to 1,261,933.70, 1,741,459.40 and 688,973.87 is: 950,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,933.70 : 1,741,459.40 = 688,973.87 : x
  2. Step 2: Convert to fraction form
    1,261,933.70/1,741,459.40 = 688,973.87/x
  3. Step 3: Cross multiply
    1,261,933.70x = 1,741,459.40 × 688,973.87
  4. Step 4: Simplify right side
    1,261,933.70x = 1,199,820,022,265.88
  5. Step 5: Solve for x
    x = 1,199,820,022,265.88/1,261,933.70
  6. Step 6: Final answer
    x = 950,778.97

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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.