Home / 1,340,332.80-2,010,596.40-806,704.80

Finding the Fourth Proportional to 1,340,332.80, 2,010,596.40 and 806,704.80

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Solution

The fourth proportional to 1,340,332.80, 2,010,596.40 and 806,704.80 is: 1,210,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,332.80 : 2,010,596.40 = 806,704.80 : x
  2. Step 2: Convert to fraction form
    1,340,332.80/2,010,596.40 = 806,704.80/x
  3. Step 3: Cross multiply
    1,340,332.80x = 2,010,596.40 × 806,704.80
  4. Step 4: Simplify right side
    1,340,332.80x = 1,621,957,766,742.72
  5. Step 5: Solve for x
    x = 1,621,957,766,742.72/1,340,332.80
  6. Step 6: Final answer
    x = 1,210,115.70

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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.