Home / 1,005,870.43-1,388,137.68-576,233.59

Finding the Fourth Proportional to 1,005,870.43, 1,388,137.68 and 576,233.59

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Solution

The fourth proportional to 1,005,870.43, 1,388,137.68 and 576,233.59 is: 795,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,870.43 : 1,388,137.68 = 576,233.59 : x
  2. Step 2: Convert to fraction form
    1,005,870.43/1,388,137.68 = 576,233.59/x
  3. Step 3: Cross multiply
    1,005,870.43x = 1,388,137.68 × 576,233.59
  4. Step 4: Simplify right side
    1,005,870.43x = 799,891,558,760.67
  5. Step 5: Solve for x
    x = 799,891,558,760.67/1,005,870.43
  6. Step 6: Final answer
    x = 795,223.26

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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.