Home / 1,264,404.57-1,743,713.70-828,663.22

Finding the Fourth Proportional to 1,264,404.57, 1,743,713.70 and 828,663.22

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Solution

The fourth proportional to 1,264,404.57, 1,743,713.70 and 828,663.22 is: 1,142,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,404.57 : 1,743,713.70 = 828,663.22 : x
  2. Step 2: Convert to fraction form
    1,264,404.57/1,743,713.70 = 828,663.22/x
  3. Step 3: Cross multiply
    1,264,404.57x = 1,743,713.70 × 828,663.22
  4. Step 4: Simplify right side
    1,264,404.57x = 1,444,951,398,663.88
  5. Step 5: Solve for x
    x = 1,444,951,398,663.88/1,264,404.57
  6. Step 6: Final answer
    x = 1,142,791.98

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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.