Home / 2,765,447.70-4,148,171.55-770,903.70

Finding the Fourth Proportional to 2,765,447.70, 4,148,171.55 and 770,903.70

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Solution

The fourth proportional to 2,765,447.70, 4,148,171.55 and 770,903.70 is: 1,156,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,447.70 : 4,148,171.55 = 770,903.70 : x
  2. Step 2: Convert to fraction form
    2,765,447.70/4,148,171.55 = 770,903.70/x
  3. Step 3: Cross multiply
    2,765,447.70x = 4,148,171.55 × 770,903.70
  4. Step 4: Simplify right side
    2,765,447.70x = 3,197,840,796,129.74
  5. Step 5: Solve for x
    x = 3,197,840,796,129.74/2,765,447.70
  6. Step 6: Final answer
    x = 1,156,355.55

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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.