Home / 1,557,850.40-2,337,650.40-659,139.20

Finding the Fourth Proportional to 1,557,850.40, 2,337,650.40 and 659,139.20

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Solution

The fourth proportional to 1,557,850.40, 2,337,650.40 and 659,139.20 is: 989,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,850.40 : 2,337,650.40 = 659,139.20 : x
  2. Step 2: Convert to fraction form
    1,557,850.40/2,337,650.40 = 659,139.20/x
  3. Step 3: Cross multiply
    1,557,850.40x = 2,337,650.40 × 659,139.20
  4. Step 4: Simplify right side
    1,557,850.40x = 1,540,837,014,535.68
  5. Step 5: Solve for x
    x = 1,540,837,014,535.68/1,557,850.40
  6. Step 6: Final answer
    x = 989,078.94

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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.