Home / 1,387,524.35-1,914,797.81-775,711.10

Finding the Fourth Proportional to 1,387,524.35, 1,914,797.81 and 775,711.10

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Solution

The fourth proportional to 1,387,524.35, 1,914,797.81 and 775,711.10 is: 1,070,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,524.35 : 1,914,797.81 = 775,711.10 : x
  2. Step 2: Convert to fraction form
    1,387,524.35/1,914,797.81 = 775,711.10/x
  3. Step 3: Cross multiply
    1,387,524.35x = 1,914,797.81 × 775,711.10
  4. Step 4: Simplify right side
    1,387,524.35x = 1,485,329,922,198.96
  5. Step 5: Solve for x
    x = 1,485,329,922,198.96/1,387,524.35
  6. Step 6: Final answer
    x = 1,070,489.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.