Home / 1,205,421.28-1,808,408.01-522,422.75

Finding the Fourth Proportional to 1,205,421.28, 1,808,408.01 and 522,422.75

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Solution

The fourth proportional to 1,205,421.28, 1,808,408.01 and 522,422.75 is: 783,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,421.28 : 1,808,408.01 = 522,422.75 : x
  2. Step 2: Convert to fraction form
    1,205,421.28/1,808,408.01 = 522,422.75/x
  3. Step 3: Cross multiply
    1,205,421.28x = 1,808,408.01 × 522,422.75
  4. Step 4: Simplify right side
    1,205,421.28x = 944,753,485,706.23
  5. Step 5: Solve for x
    x = 944,753,485,706.23/1,205,421.28
  6. Step 6: Final answer
    x = 783,753.78

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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.