Home / 1,531,832.81-2,113,846.48-843,370.61

Finding the Fourth Proportional to 1,531,832.81, 2,113,846.48 and 843,370.61

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Solution

The fourth proportional to 1,531,832.81, 2,113,846.48 and 843,370.61 is: 1,163,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,832.81 : 2,113,846.48 = 843,370.61 : x
  2. Step 2: Convert to fraction form
    1,531,832.81/2,113,846.48 = 843,370.61/x
  3. Step 3: Cross multiply
    1,531,832.81x = 2,113,846.48 × 843,370.61
  4. Step 4: Simplify right side
    1,531,832.81x = 1,782,755,995,283.95
  5. Step 5: Solve for x
    x = 1,782,755,995,283.95/1,531,832.81
  6. Step 6: Final answer
    x = 1,163,805.86

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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.