Home / 1,182,849.63-1,632,333.92-638,985.39

Finding the Fourth Proportional to 1,182,849.63, 1,632,333.92 and 638,985.39

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Solution

The fourth proportional to 1,182,849.63, 1,632,333.92 and 638,985.39 is: 881,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,849.63 : 1,632,333.92 = 638,985.39 : x
  2. Step 2: Convert to fraction form
    1,182,849.63/1,632,333.92 = 638,985.39/x
  3. Step 3: Cross multiply
    1,182,849.63x = 1,632,333.92 × 638,985.39
  4. Step 4: Simplify right side
    1,182,849.63x = 1,043,037,526,481.43
  5. Step 5: Solve for x
    x = 1,043,037,526,481.43/1,182,849.63
  6. Step 6: Final answer
    x = 881,800.61

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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.