Home / 1,233,078.12-1,850,666.94-485,649

Finding the Fourth Proportional to 1,233,078.12, 1,850,666.94 and 485,649

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Solution

The fourth proportional to 1,233,078.12, 1,850,666.94 and 485,649 is: 728,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,078.12 : 1,850,666.94 = 485,649 : x
  2. Step 2: Convert to fraction form
    1,233,078.12/1,850,666.94 = 485,649/x
  3. Step 3: Cross multiply
    1,233,078.12x = 1,850,666.94 × 485,649
  4. Step 4: Simplify right side
    1,233,078.12x = 898,774,548,744.06
  5. Step 5: Solve for x
    x = 898,774,548,744.06/1,233,078.12
  6. Step 6: Final answer
    x = 728,886.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.