Home / 1,090,832.63-1,636,426.20-322,408.31

Finding the Fourth Proportional to 1,090,832.63, 1,636,426.20 and 322,408.31

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Solution

The fourth proportional to 1,090,832.63, 1,636,426.20 and 322,408.31 is: 483,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,832.63 : 1,636,426.20 = 322,408.31 : x
  2. Step 2: Convert to fraction form
    1,090,832.63/1,636,426.20 = 322,408.31/x
  3. Step 3: Cross multiply
    1,090,832.63x = 1,636,426.20 × 322,408.31
  4. Step 4: Simplify right side
    1,090,832.63x = 527,597,397,399.59
  5. Step 5: Solve for x
    x = 527,597,397,399.59/1,090,832.63
  6. Step 6: Final answer
    x = 483,664.85

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1.5x scale

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.