Home / 1,270,071.76-1,905,439.61-737,080.42

Finding the Fourth Proportional to 1,270,071.76, 1,905,439.61 and 737,080.42

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Solution

The fourth proportional to 1,270,071.76, 1,905,439.61 and 737,080.42 is: 1,105,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,071.76 : 1,905,439.61 = 737,080.42 : x
  2. Step 2: Convert to fraction form
    1,270,071.76/1,905,439.61 = 737,080.42/x
  3. Step 3: Cross multiply
    1,270,071.76x = 1,905,439.61 × 737,080.42
  4. Step 4: Simplify right side
    1,270,071.76x = 1,404,462,228,023.44
  5. Step 5: Solve for x
    x = 1,404,462,228,023.44/1,270,071.76
  6. Step 6: Final answer
    x = 1,105,813.29

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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.