Home / 1,521,644.94-2,099,844.30-842,566.86

Finding the Fourth Proportional to 1,521,644.94, 2,099,844.30 and 842,566.86

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Solution

The fourth proportional to 1,521,644.94, 2,099,844.30 and 842,566.86 is: 1,162,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,644.94 : 2,099,844.30 = 842,566.86 : x
  2. Step 2: Convert to fraction form
    1,521,644.94/2,099,844.30 = 842,566.86/x
  3. Step 3: Cross multiply
    1,521,644.94x = 2,099,844.30 × 842,566.86
  4. Step 4: Simplify right side
    1,521,644.94x = 1,769,259,218,339.90
  5. Step 5: Solve for x
    x = 1,769,259,218,339.90/1,521,644.94
  6. Step 6: Final answer
    x = 1,162,728.03

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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.