Home / 1,449,215.40-1,999,815.39-804,597.15

Finding the Fourth Proportional to 1,449,215.40, 1,999,815.39 and 804,597.15

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Solution

The fourth proportional to 1,449,215.40, 1,999,815.39 and 804,597.15 is: 1,110,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,215.40 : 1,999,815.39 = 804,597.15 : x
  2. Step 2: Convert to fraction form
    1,449,215.40/1,999,815.39 = 804,597.15/x
  3. Step 3: Cross multiply
    1,449,215.40x = 1,999,815.39 × 804,597.15
  4. Step 4: Simplify right side
    1,449,215.40x = 1,609,045,763,320.14
  5. Step 5: Solve for x
    x = 1,609,045,763,320.14/1,449,215.40
  6. Step 6: Final answer
    x = 1,110,287.51

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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.