Home / 1,485,164.56-2,049,531.03-806,101.06

Finding the Fourth Proportional to 1,485,164.56, 2,049,531.03 and 806,101.06

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Solution

The fourth proportional to 1,485,164.56, 2,049,531.03 and 806,101.06 is: 1,112,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,164.56 : 2,049,531.03 = 806,101.06 : x
  2. Step 2: Convert to fraction form
    1,485,164.56/2,049,531.03 = 806,101.06/x
  3. Step 3: Cross multiply
    1,485,164.56x = 2,049,531.03 × 806,101.06
  4. Step 4: Simplify right side
    1,485,164.56x = 1,652,129,125,538.24
  5. Step 5: Solve for x
    x = 1,652,129,125,538.24/1,485,164.56
  6. Step 6: Final answer
    x = 1,112,421.60

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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.