Home / 1,612,648.51-2,420,467.44-814,490.57

Finding the Fourth Proportional to 1,612,648.51, 2,420,467.44 and 814,490.57

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Solution

The fourth proportional to 1,612,648.51, 2,420,467.44 and 814,490.57 is: 1,222,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,648.51 : 2,420,467.44 = 814,490.57 : x
  2. Step 2: Convert to fraction form
    1,612,648.51/2,420,467.44 = 814,490.57/x
  3. Step 3: Cross multiply
    1,612,648.51x = 2,420,467.44 × 814,490.57
  4. Step 4: Simplify right side
    1,612,648.51x = 1,971,447,904,872.04
  5. Step 5: Solve for x
    x = 1,971,447,904,872.04/1,612,648.51
  6. Step 6: Final answer
    x = 1,222,490.76

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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.