Home / 1,255,910.78-1,733,202.50-719,470.46

Finding the Fourth Proportional to 1,255,910.78, 1,733,202.50 and 719,470.46

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Solution

The fourth proportional to 1,255,910.78, 1,733,202.50 and 719,470.46 is: 992,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,910.78 : 1,733,202.50 = 719,470.46 : x
  2. Step 2: Convert to fraction form
    1,255,910.78/1,733,202.50 = 719,470.46/x
  3. Step 3: Cross multiply
    1,255,910.78x = 1,733,202.50 × 719,470.46
  4. Step 4: Simplify right side
    1,255,910.78x = 1,246,987,999,948.15
  5. Step 5: Solve for x
    x = 1,246,987,999,948.15/1,255,910.78
  6. Step 6: Final answer
    x = 992,895.37

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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.