Home / 1,296,301.20-1,942,799.40-727,681.20

Finding the Fourth Proportional to 1,296,301.20, 1,942,799.40 and 727,681.20

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Solution

The fourth proportional to 1,296,301.20, 1,942,799.40 and 727,681.20 is: 1,090,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,301.20 : 1,942,799.40 = 727,681.20 : x
  2. Step 2: Convert to fraction form
    1,296,301.20/1,942,799.40 = 727,681.20/x
  3. Step 3: Cross multiply
    1,296,301.20x = 1,942,799.40 × 727,681.20
  4. Step 4: Simplify right side
    1,296,301.20x = 1,413,738,598,751.28
  5. Step 5: Solve for x
    x = 1,413,738,598,751.28/1,296,301.20
  6. Step 6: Final answer
    x = 1,090,594.22

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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.