Home / 1,866,745.80-2,798,150.40-729,068.40

Finding the Fourth Proportional to 1,866,745.80, 2,798,150.40 and 729,068.40

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Solution

The fourth proportional to 1,866,745.80, 2,798,150.40 and 729,068.40 is: 1,092,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,745.80 : 2,798,150.40 = 729,068.40 : x
  2. Step 2: Convert to fraction form
    1,866,745.80/2,798,150.40 = 729,068.40/x
  3. Step 3: Cross multiply
    1,866,745.80x = 2,798,150.40 × 729,068.40
  4. Step 4: Simplify right side
    1,866,745.80x = 2,040,043,035,087.36
  5. Step 5: Solve for x
    x = 2,040,043,035,087.36/1,866,745.80
  6. Step 6: Final answer
    x = 1,092,833.87

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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.