Home / 1,438,869-1,985,670.90-794,287.56

Finding the Fourth Proportional to 1,438,869, 1,985,670.90 and 794,287.56

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Solution

The fourth proportional to 1,438,869, 1,985,670.90 and 794,287.56 is: 1,096,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,869 : 1,985,670.90 = 794,287.56 : x
  2. Step 2: Convert to fraction form
    1,438,869/1,985,670.90 = 794,287.56/x
  3. Step 3: Cross multiply
    1,438,869x = 1,985,670.90 × 794,287.56
  4. Step 4: Simplify right side
    1,438,869x = 1,577,193,694,124.00
  5. Step 5: Solve for x
    x = 1,577,193,694,124.00/1,438,869
  6. Step 6: Final answer
    x = 1,096,134.32

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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.