Home / 1,819,047.40-2,728,580.55-471,115.60

Finding the Fourth Proportional to 1,819,047.40, 2,728,580.55 and 471,115.60

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Solution

The fourth proportional to 1,819,047.40, 2,728,580.55 and 471,115.60 is: 706,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,047.40 : 2,728,580.55 = 471,115.60 : x
  2. Step 2: Convert to fraction form
    1,819,047.40/2,728,580.55 = 471,115.60/x
  3. Step 3: Cross multiply
    1,819,047.40x = 2,728,580.55 × 471,115.60
  4. Step 4: Simplify right side
    1,819,047.40x = 1,285,476,862,961.58
  5. Step 5: Solve for x
    x = 1,285,476,862,961.58/1,819,047.40
  6. Step 6: Final answer
    x = 706,675.85

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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.