Home / 1,340,409.70-2,010,614.55-808,531.30

Finding the Fourth Proportional to 1,340,409.70, 2,010,614.55 and 808,531.30

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Solution

The fourth proportional to 1,340,409.70, 2,010,614.55 and 808,531.30 is: 1,212,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,409.70 : 2,010,614.55 = 808,531.30 : x
  2. Step 2: Convert to fraction form
    1,340,409.70/2,010,614.55 = 808,531.30/x
  3. Step 3: Cross multiply
    1,340,409.70x = 2,010,614.55 × 808,531.30
  4. Step 4: Simplify right side
    1,340,409.70x = 1,625,644,795,910.42
  5. Step 5: Solve for x
    x = 1,625,644,795,910.42/1,340,409.70
  6. Step 6: Final answer
    x = 1,212,796.95

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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.