Home / 1,312,227.73-1,810,912.64-768,312.62

Finding the Fourth Proportional to 1,312,227.73, 1,810,912.64 and 768,312.62

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Solution

The fourth proportional to 1,312,227.73, 1,810,912.64 and 768,312.62 is: 1,060,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,227.73 : 1,810,912.64 = 768,312.62 : x
  2. Step 2: Convert to fraction form
    1,312,227.73/1,810,912.64 = 768,312.62/x
  3. Step 3: Cross multiply
    1,312,227.73x = 1,810,912.64 × 768,312.62
  4. Step 4: Simplify right side
    1,312,227.73x = 1,391,347,035,029.52
  5. Step 5: Solve for x
    x = 1,391,347,035,029.52/1,312,227.73
  6. Step 6: Final answer
    x = 1,060,293.88

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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.