Home / 1,008,919.26-1,392,318.09-556,226.46

Finding the Fourth Proportional to 1,008,919.26, 1,392,318.09 and 556,226.46

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Solution

The fourth proportional to 1,008,919.26, 1,392,318.09 and 556,226.46 is: 767,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,919.26 : 1,392,318.09 = 556,226.46 : x
  2. Step 2: Convert to fraction form
    1,008,919.26/1,392,318.09 = 556,226.46/x
  3. Step 3: Cross multiply
    1,008,919.26x = 1,392,318.09 × 556,226.46
  4. Step 4: Simplify right side
    1,008,919.26x = 774,444,162,394.66
  5. Step 5: Solve for x
    x = 774,444,162,394.66/1,008,919.26
  6. Step 6: Final answer
    x = 767,597.76

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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.