Home / 1,176,641.78-1,764,379.33-418,369.23

Finding the Fourth Proportional to 1,176,641.78, 1,764,379.33 and 418,369.23

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Solution

The fourth proportional to 1,176,641.78, 1,764,379.33 and 418,369.23 is: 627,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,641.78 : 1,764,379.33 = 418,369.23 : x
  2. Step 2: Convert to fraction form
    1,176,641.78/1,764,379.33 = 418,369.23/x
  3. Step 3: Cross multiply
    1,176,641.78x = 1,764,379.33 × 418,369.23
  4. Step 4: Simplify right side
    1,176,641.78x = 738,162,020,674.09
  5. Step 5: Solve for x
    x = 738,162,020,674.09/1,176,641.78
  6. Step 6: Final answer
    x = 627,346.43

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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.