Home / 1,042,213.14-1,561,705.56-722,985.84

Finding the Fourth Proportional to 1,042,213.14, 1,561,705.56 and 722,985.84

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Solution

The fourth proportional to 1,042,213.14, 1,561,705.56 and 722,985.84 is: 1,083,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,213.14 : 1,561,705.56 = 722,985.84 : x
  2. Step 2: Convert to fraction form
    1,042,213.14/1,561,705.56 = 722,985.84/x
  3. Step 3: Cross multiply
    1,042,213.14x = 1,561,705.56 × 722,985.84
  4. Step 4: Simplify right side
    1,042,213.14x = 1,129,091,006,129.27
  5. Step 5: Solve for x
    x = 1,129,091,006,129.27/1,042,213.14
  6. Step 6: Final answer
    x = 1,083,359.02

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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.