Home / 1,344,346.80-2,010,688.20-1,203,212.40

Finding the Fourth Proportional to 1,344,346.80, 2,010,688.20 and 1,203,212.40

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Solution

The fourth proportional to 1,344,346.80, 2,010,688.20 and 1,203,212.40 is: 1,799,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,346.80 : 2,010,688.20 = 1,203,212.40 : x
  2. Step 2: Convert to fraction form
    1,344,346.80/2,010,688.20 = 1,203,212.40/x
  3. Step 3: Cross multiply
    1,344,346.80x = 2,010,688.20 × 1,203,212.40
  4. Step 4: Simplify right side
    1,344,346.80x = 2,419,284,974,773.68
  5. Step 5: Solve for x
    x = 2,419,284,974,773.68/1,344,346.80
  6. Step 6: Final answer
    x = 1,799,598.86

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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.