Home / 1,491,839.52-2,058,738.76-812,776.02

Finding the Fourth Proportional to 1,491,839.52, 2,058,738.76 and 812,776.02

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Solution

The fourth proportional to 1,491,839.52, 2,058,738.76 and 812,776.02 is: 1,121,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,839.52 : 2,058,738.76 = 812,776.02 : x
  2. Step 2: Convert to fraction form
    1,491,839.52/2,058,738.76 = 812,776.02/x
  3. Step 3: Cross multiply
    1,491,839.52x = 2,058,738.76 × 812,776.02
  4. Step 4: Simplify right side
    1,491,839.52x = 1,673,293,495,572.54
  5. Step 5: Solve for x
    x = 1,673,293,495,572.54/1,491,839.52
  6. Step 6: Final answer
    x = 1,121,631.03

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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.