Home / 1,340,487.80-2,010,731.70-807,734.60

Finding the Fourth Proportional to 1,340,487.80, 2,010,731.70 and 807,734.60

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Solution

The fourth proportional to 1,340,487.80, 2,010,731.70 and 807,734.60 is: 1,211,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,487.80 : 2,010,731.70 = 807,734.60 : x
  2. Step 2: Convert to fraction form
    1,340,487.80/2,010,731.70 = 807,734.60/x
  3. Step 3: Cross multiply
    1,340,487.80x = 2,010,731.70 × 807,734.60
  4. Step 4: Simplify right side
    1,340,487.80x = 1,624,137,565,406.82
  5. Step 5: Solve for x
    x = 1,624,137,565,406.82/1,340,487.80
  6. Step 6: Final answer
    x = 1,211,601.90

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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.