Home / 1,230,646.12-1,846,164.39-520,679.50

Finding the Fourth Proportional to 1,230,646.12, 1,846,164.39 and 520,679.50

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Solution

The fourth proportional to 1,230,646.12, 1,846,164.39 and 520,679.50 is: 781,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,646.12 : 1,846,164.39 = 520,679.50 : x
  2. Step 2: Convert to fraction form
    1,230,646.12/1,846,164.39 = 520,679.50/x
  3. Step 3: Cross multiply
    1,230,646.12x = 1,846,164.39 × 520,679.50
  4. Step 4: Simplify right side
    1,230,646.12x = 961,259,951,503.01
  5. Step 5: Solve for x
    x = 961,259,951,503.01/1,230,646.12
  6. Step 6: Final answer
    x = 781,101.84

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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.