Home / 1,261,749.54-1,741,217.49-688,790.10

Finding the Fourth Proportional to 1,261,749.54, 1,741,217.49 and 688,790.10

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Solution

The fourth proportional to 1,261,749.54, 1,741,217.49 and 688,790.10 is: 950,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,749.54 : 1,741,217.49 = 688,790.10 : x
  2. Step 2: Convert to fraction form
    1,261,749.54/1,741,217.49 = 688,790.10/x
  3. Step 3: Cross multiply
    1,261,749.54x = 1,741,217.49 × 688,790.10
  4. Step 4: Simplify right side
    1,261,749.54x = 1,199,333,369,058.85
  5. Step 5: Solve for x
    x = 1,199,333,369,058.85/1,261,749.54
  6. Step 6: Final answer
    x = 950,532.04

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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.