Home / 1,018,322.82-1,405,129.41-588,520.08

Finding the Fourth Proportional to 1,018,322.82, 1,405,129.41 and 588,520.08

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Solution

The fourth proportional to 1,018,322.82, 1,405,129.41 and 588,520.08 is: 812,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,322.82 : 1,405,129.41 = 588,520.08 : x
  2. Step 2: Convert to fraction form
    1,018,322.82/1,405,129.41 = 588,520.08/x
  3. Step 3: Cross multiply
    1,018,322.82x = 1,405,129.41 × 588,520.08
  4. Step 4: Simplify right side
    1,018,322.82x = 826,946,872,783.55
  5. Step 5: Solve for x
    x = 826,946,872,783.55/1,018,322.82
  6. Step 6: Final answer
    x = 812,067.51

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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.