Home / 1,213,280.80-1,812,813.97-1,170,849.81

Finding the Fourth Proportional to 1,213,280.80, 1,812,813.97 and 1,170,849.81

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Solution

The fourth proportional to 1,213,280.80, 1,812,813.97 and 1,170,849.81 is: 1,749,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,280.80 : 1,812,813.97 = 1,170,849.81 : x
  2. Step 2: Convert to fraction form
    1,213,280.80/1,812,813.97 = 1,170,849.81/x
  3. Step 3: Cross multiply
    1,213,280.80x = 1,812,813.97 × 1,170,849.81
  4. Step 4: Simplify right side
    1,213,280.80x = 2,122,532,892,339.85
  5. Step 5: Solve for x
    x = 2,122,532,892,339.85/1,213,280.80
  6. Step 6: Final answer
    x = 1,749,416.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.