Home / 853,870.20-1,178,453.52-825,830.16

Finding the Fourth Proportional to 853,870.20, 1,178,453.52 and 825,830.16

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Solution

The fourth proportional to 853,870.20, 1,178,453.52 and 825,830.16 is: 1,139,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,870.20 : 1,178,453.52 = 825,830.16 : x
  2. Step 2: Convert to fraction form
    853,870.20/1,178,453.52 = 825,830.16/x
  3. Step 3: Cross multiply
    853,870.20x = 1,178,453.52 × 825,830.16
  4. Step 4: Simplify right side
    853,870.20x = 973,202,458,974.16
  5. Step 5: Solve for x
    x = 973,202,458,974.16/853,870.20
  6. Step 6: Final answer
    x = 1,139,754.57

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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.