Home / 1,082,926.32-1,622,613.96-766,815.72

Finding the Fourth Proportional to 1,082,926.32, 1,622,613.96 and 766,815.72

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Solution

The fourth proportional to 1,082,926.32, 1,622,613.96 and 766,815.72 is: 1,148,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,926.32 : 1,622,613.96 = 766,815.72 : x
  2. Step 2: Convert to fraction form
    1,082,926.32/1,622,613.96 = 766,815.72/x
  3. Step 3: Cross multiply
    1,082,926.32x = 1,622,613.96 × 766,815.72
  4. Step 4: Simplify right side
    1,082,926.32x = 1,244,245,892,019.45
  5. Step 5: Solve for x
    x = 1,244,245,892,019.45/1,082,926.32
  6. Step 6: Final answer
    x = 1,148,966.34

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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.