Home / 838,625.12-1,263,539.27-758,765.46

Finding the Fourth Proportional to 838,625.12, 1,263,539.27 and 758,765.46

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Solution

The fourth proportional to 838,625.12, 1,263,539.27 and 758,765.46 is: 1,143,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,625.12 : 1,263,539.27 = 758,765.46 : x
  2. Step 2: Convert to fraction form
    838,625.12/1,263,539.27 = 758,765.46/x
  3. Step 3: Cross multiply
    838,625.12x = 1,263,539.27 × 758,765.46
  4. Step 4: Simplify right side
    838,625.12x = 958,729,955,429.61
  5. Step 5: Solve for x
    x = 958,729,955,429.61/838,625.12
  6. Step 6: Final answer
    x = 1,143,216.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.