Home / 1,680,004.82-2,520,016.34-417,832.44

Finding the Fourth Proportional to 1,680,004.82, 2,520,016.34 and 417,832.44

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Solution

The fourth proportional to 1,680,004.82, 2,520,016.34 and 417,832.44 is: 626,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,004.82 : 2,520,016.34 = 417,832.44 : x
  2. Step 2: Convert to fraction form
    1,680,004.82/2,520,016.34 = 417,832.44/x
  3. Step 3: Cross multiply
    1,680,004.82x = 2,520,016.34 × 417,832.44
  4. Step 4: Simplify right side
    1,680,004.82x = 1,052,944,574,092.91
  5. Step 5: Solve for x
    x = 1,052,944,574,092.91/1,680,004.82
  6. Step 6: Final answer
    x = 626,750.93

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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.