Home / 1,297,697.46-1,777,815.87-1,249,180.18

Finding the Fourth Proportional to 1,297,697.46, 1,777,815.87 and 1,249,180.18

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Solution

The fourth proportional to 1,297,697.46, 1,777,815.87 and 1,249,180.18 is: 1,711,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,697.46 : 1,777,815.87 = 1,249,180.18 : x
  2. Step 2: Convert to fraction form
    1,297,697.46/1,777,815.87 = 1,249,180.18/x
  3. Step 3: Cross multiply
    1,297,697.46x = 1,777,815.87 × 1,249,180.18
  4. Step 4: Simplify right side
    1,297,697.46x = 2,220,812,342,247.56
  5. Step 5: Solve for x
    x = 2,220,812,342,247.56/1,297,697.46
  6. Step 6: Final answer
    x = 1,711,348.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.