Home / 1,359,704.80-2,040,140.40-694,856.80

Finding the Fourth Proportional to 1,359,704.80, 2,040,140.40 and 694,856.80

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Solution

The fourth proportional to 1,359,704.80, 2,040,140.40 and 694,856.80 is: 1,042,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,704.80 : 2,040,140.40 = 694,856.80 : x
  2. Step 2: Convert to fraction form
    1,359,704.80/2,040,140.40 = 694,856.80/x
  3. Step 3: Cross multiply
    1,359,704.80x = 2,040,140.40 × 694,856.80
  4. Step 4: Simplify right side
    1,359,704.80x = 1,417,605,429,894.72
  5. Step 5: Solve for x
    x = 1,417,605,429,894.72/1,359,704.80
  6. Step 6: Final answer
    x = 1,042,583.24

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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.