Home / 1,101,463.82-1,651,821.51-381,637.52

Finding the Fourth Proportional to 1,101,463.82, 1,651,821.51 and 381,637.52

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Solution

The fourth proportional to 1,101,463.82, 1,651,821.51 and 381,637.52 is: 572,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,463.82 : 1,651,821.51 = 381,637.52 : x
  2. Step 2: Convert to fraction form
    1,101,463.82/1,651,821.51 = 381,637.52/x
  3. Step 3: Cross multiply
    1,101,463.82x = 1,651,821.51 × 381,637.52
  4. Step 4: Simplify right side
    1,101,463.82x = 630,397,071,070.20
  5. Step 5: Solve for x
    x = 630,397,071,070.20/1,101,463.82
  6. Step 6: Final answer
    x = 572,326.63

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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.