Home / 1,521,781.56-2,283,051.42-456,843.24

Finding the Fourth Proportional to 1,521,781.56, 2,283,051.42 and 456,843.24

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Solution

The fourth proportional to 1,521,781.56, 2,283,051.42 and 456,843.24 is: 685,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,781.56 : 2,283,051.42 = 456,843.24 : x
  2. Step 2: Convert to fraction form
    1,521,781.56/2,283,051.42 = 456,843.24/x
  3. Step 3: Cross multiply
    1,521,781.56x = 2,283,051.42 × 456,843.24
  4. Step 4: Simplify right side
    1,521,781.56x = 1,042,996,607,799.40
  5. Step 5: Solve for x
    x = 1,042,996,607,799.40/1,521,781.56
  6. Step 6: Final answer
    x = 685,378.66

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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.