Home / 867,677.87-1,299,253.25-698,272.85

Finding the Fourth Proportional to 867,677.87, 1,299,253.25 and 698,272.85

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Solution

The fourth proportional to 867,677.87, 1,299,253.25 and 698,272.85 is: 1,045,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,677.87 : 1,299,253.25 = 698,272.85 : x
  2. Step 2: Convert to fraction form
    867,677.87/1,299,253.25 = 698,272.85/x
  3. Step 3: Cross multiply
    867,677.87x = 1,299,253.25 × 698,272.85
  4. Step 4: Simplify right side
    867,677.87x = 907,233,259,761.63
  5. Step 5: Solve for x
    x = 907,233,259,761.63/867,677.87
  6. Step 6: Final answer
    x = 1,045,587.65

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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.