Home / 1,261,826.02-1,741,311.03-688,866.20

Finding the Fourth Proportional to 1,261,826.02, 1,741,311.03 and 688,866.20

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Solution

The fourth proportional to 1,261,826.02, 1,741,311.03 and 688,866.20 is: 950,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,826.02 : 1,741,311.03 = 688,866.20 : x
  2. Step 2: Convert to fraction form
    1,261,826.02/1,741,311.03 = 688,866.20/x
  3. Step 3: Cross multiply
    1,261,826.02x = 1,741,311.03 × 688,866.20
  4. Step 4: Simplify right side
    1,261,826.02x = 1,199,530,312,660.80
  5. Step 5: Solve for x
    x = 1,199,530,312,660.80/1,261,826.02
  6. Step 6: Final answer
    x = 950,630.51

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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.