Home / 1,455,682.91-2,008,815.63-811,089.23

Finding the Fourth Proportional to 1,455,682.91, 2,008,815.63 and 811,089.23

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Solution

The fourth proportional to 1,455,682.91, 2,008,815.63 and 811,089.23 is: 1,119,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,682.91 : 2,008,815.63 = 811,089.23 : x
  2. Step 2: Convert to fraction form
    1,455,682.91/2,008,815.63 = 811,089.23/x
  3. Step 3: Cross multiply
    1,455,682.91x = 2,008,815.63 × 811,089.23
  4. Step 4: Simplify right side
    1,455,682.91x = 1,629,328,722,548.66
  5. Step 5: Solve for x
    x = 1,629,328,722,548.66/1,455,682.91
  6. Step 6: Final answer
    x = 1,119,288.21

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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.