Home / 1,223,249.82-1,687,832.94-706,818.93

Finding the Fourth Proportional to 1,223,249.82, 1,687,832.94 and 706,818.93

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Solution

The fourth proportional to 1,223,249.82, 1,687,832.94 and 706,818.93 is: 975,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,249.82 : 1,687,832.94 = 706,818.93 : x
  2. Step 2: Convert to fraction form
    1,223,249.82/1,687,832.94 = 706,818.93/x
  3. Step 3: Cross multiply
    1,223,249.82x = 1,687,832.94 × 706,818.93
  4. Step 4: Simplify right side
    1,223,249.82x = 1,192,992,272,669.55
  5. Step 5: Solve for x
    x = 1,192,992,272,669.55/1,223,249.82
  6. Step 6: Final answer
    x = 975,264.62

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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.