Home / 1,226,408.80-1,692,444.15-682,673.04

Finding the Fourth Proportional to 1,226,408.80, 1,692,444.15 and 682,673.04

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Solution

The fourth proportional to 1,226,408.80, 1,692,444.15 and 682,673.04 is: 942,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,408.80 : 1,692,444.15 = 682,673.04 : x
  2. Step 2: Convert to fraction form
    1,226,408.80/1,692,444.15 = 682,673.04/x
  3. Step 3: Cross multiply
    1,226,408.80x = 1,692,444.15 × 682,673.04
  4. Step 4: Simplify right side
    1,226,408.80x = 1,155,385,981,035.13
  5. Step 5: Solve for x
    x = 1,155,385,981,035.13/1,226,408.80
  6. Step 6: Final answer
    x = 942,088.79

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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.