Home / 1,082,920.32-1,622,604.96-766,809.72

Finding the Fourth Proportional to 1,082,920.32, 1,622,604.96 and 766,809.72

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Solution

The fourth proportional to 1,082,920.32, 1,622,604.96 and 766,809.72 is: 1,148,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,920.32 : 1,622,604.96 = 766,809.72 : x
  2. Step 2: Convert to fraction form
    1,082,920.32/1,622,604.96 = 766,809.72/x
  3. Step 3: Cross multiply
    1,082,920.32x = 1,622,604.96 × 766,809.72
  4. Step 4: Simplify right side
    1,082,920.32x = 1,244,229,255,048.21
  5. Step 5: Solve for x
    x = 1,244,229,255,048.21/1,082,920.32
  6. Step 6: Final answer
    x = 1,148,957.34

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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.