Home / 1,377,462.20-2,062,756.96-870,493.73

Finding the Fourth Proportional to 1,377,462.20, 2,062,756.96 and 870,493.73

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Solution

The fourth proportional to 1,377,462.20, 2,062,756.96 and 870,493.73 is: 1,303,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,462.20 : 2,062,756.96 = 870,493.73 : x
  2. Step 2: Convert to fraction form
    1,377,462.20/2,062,756.96 = 870,493.73/x
  3. Step 3: Cross multiply
    1,377,462.20x = 2,062,756.96 × 870,493.73
  4. Step 4: Simplify right side
    1,377,462.20x = 1,795,616,987,703.84
  5. Step 5: Solve for x
    x = 1,795,616,987,703.84/1,377,462.20
  6. Step 6: Final answer
    x = 1,303,568.98

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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.