Home / 1,321,272.44-1,822,843.14-934,656.20

Finding the Fourth Proportional to 1,321,272.44, 1,822,843.14 and 934,656.20

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Solution

The fourth proportional to 1,321,272.44, 1,822,843.14 and 934,656.20 is: 1,289,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,272.44 : 1,822,843.14 = 934,656.20 : x
  2. Step 2: Convert to fraction form
    1,321,272.44/1,822,843.14 = 934,656.20/x
  3. Step 3: Cross multiply
    1,321,272.44x = 1,822,843.14 × 934,656.20
  4. Step 4: Simplify right side
    1,321,272.44x = 1,703,731,642,428.47
  5. Step 5: Solve for x
    x = 1,703,731,642,428.47/1,321,272.44
  6. Step 6: Final answer
    x = 1,289,462.79

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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.