Home / 1,230,656.18-1,846,179.46-520,689.50

Finding the Fourth Proportional to 1,230,656.18, 1,846,179.46 and 520,689.50

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Solution

The fourth proportional to 1,230,656.18, 1,846,179.46 and 520,689.50 is: 781,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,656.18 : 1,846,179.46 = 520,689.50 : x
  2. Step 2: Convert to fraction form
    1,230,656.18/1,846,179.46 = 520,689.50/x
  3. Step 3: Cross multiply
    1,230,656.18x = 1,846,179.46 × 520,689.50
  4. Step 4: Simplify right side
    1,230,656.18x = 961,286,259,937.67
  5. Step 5: Solve for x
    x = 961,286,259,937.67/1,230,656.18
  6. Step 6: Final answer
    x = 781,116.83

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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.