Home / 1,231,009.85-1,698,937.69-1,023,912.87

Finding the Fourth Proportional to 1,231,009.85, 1,698,937.69 and 1,023,912.87

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Solution

The fourth proportional to 1,231,009.85, 1,698,937.69 and 1,023,912.87 is: 1,413,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,009.85 : 1,698,937.69 = 1,023,912.87 : x
  2. Step 2: Convert to fraction form
    1,231,009.85/1,698,937.69 = 1,023,912.87/x
  3. Step 3: Cross multiply
    1,231,009.85x = 1,698,937.69 × 1,023,912.87
  4. Step 4: Simplify right side
    1,231,009.85x = 1,739,564,162,691.85
  5. Step 5: Solve for x
    x = 1,739,564,162,691.85/1,231,009.85
  6. Step 6: Final answer
    x = 1,413,119.62

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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.