Home / 1,135,274.85-1,700,985.29-685,049.72

Finding the Fourth Proportional to 1,135,274.85, 1,700,985.29 and 685,049.72

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Solution

The fourth proportional to 1,135,274.85, 1,700,985.29 and 685,049.72 is: 1,026,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,274.85 : 1,700,985.29 = 685,049.72 : x
  2. Step 2: Convert to fraction form
    1,135,274.85/1,700,985.29 = 685,049.72/x
  3. Step 3: Cross multiply
    1,135,274.85x = 1,700,985.29 × 685,049.72
  4. Step 4: Simplify right side
    1,135,274.85x = 1,165,259,484,708.44
  5. Step 5: Solve for x
    x = 1,165,259,484,708.44/1,135,274.85
  6. Step 6: Final answer
    x = 1,026,411.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.