Home / 1,070,341.80-1,605,505.41-260,716.56

Finding the Fourth Proportional to 1,070,341.80, 1,605,505.41 and 260,716.56

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Solution

The fourth proportional to 1,070,341.80, 1,605,505.41 and 260,716.56 is: 391,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,341.80 : 1,605,505.41 = 260,716.56 : x
  2. Step 2: Convert to fraction form
    1,070,341.80/1,605,505.41 = 260,716.56/x
  3. Step 3: Cross multiply
    1,070,341.80x = 1,605,505.41 × 260,716.56
  4. Step 4: Simplify right side
    1,070,341.80x = 418,581,847,556.59
  5. Step 5: Solve for x
    x = 418,581,847,556.59/1,070,341.80
  6. Step 6: Final answer
    x = 391,073.06

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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.