Home / 1,628,331.30-2,442,059.55-681,506.10

Finding the Fourth Proportional to 1,628,331.30, 2,442,059.55 and 681,506.10

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Solution

The fourth proportional to 1,628,331.30, 2,442,059.55 and 681,506.10 is: 1,022,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,331.30 : 2,442,059.55 = 681,506.10 : x
  2. Step 2: Convert to fraction form
    1,628,331.30/2,442,059.55 = 681,506.10/x
  3. Step 3: Cross multiply
    1,628,331.30x = 2,442,059.55 × 681,506.10
  4. Step 4: Simplify right side
    1,628,331.30x = 1,664,278,479,888.26
  5. Step 5: Solve for x
    x = 1,664,278,479,888.26/1,628,331.30
  6. Step 6: Final answer
    x = 1,022,076.08

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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.