Home / 1,491,331.06-2,057,382.21-1,007,720.02

Finding the Fourth Proportional to 1,491,331.06, 2,057,382.21 and 1,007,720.02

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Solution

The fourth proportional to 1,491,331.06, 2,057,382.21 and 1,007,720.02 is: 1,390,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,331.06 : 2,057,382.21 = 1,007,720.02 : x
  2. Step 2: Convert to fraction form
    1,491,331.06/2,057,382.21 = 1,007,720.02/x
  3. Step 3: Cross multiply
    1,491,331.06x = 2,057,382.21 × 1,007,720.02
  4. Step 4: Simplify right side
    1,491,331.06x = 2,073,265,241,808.84
  5. Step 5: Solve for x
    x = 2,073,265,241,808.84/1,491,331.06
  6. Step 6: Final answer
    x = 1,390,211.27

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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.