Home / 1,449,355.80-2,171,409.30-1,239,403.80

Finding the Fourth Proportional to 1,449,355.80, 2,171,409.30 and 1,239,403.80

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Solution

The fourth proportional to 1,449,355.80, 2,171,409.30 and 1,239,403.80 is: 1,856,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,355.80 : 2,171,409.30 = 1,239,403.80 : x
  2. Step 2: Convert to fraction form
    1,449,355.80/2,171,409.30 = 1,239,403.80/x
  3. Step 3: Cross multiply
    1,449,355.80x = 2,171,409.30 × 1,239,403.80
  4. Step 4: Simplify right side
    1,449,355.80x = 2,691,252,937,775.34
  5. Step 5: Solve for x
    x = 2,691,252,937,775.34/1,449,355.80
  6. Step 6: Final answer
    x = 1,856,861.47

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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.