Home / 1,389,709.22-2,085,162.96-537,380.96

Finding the Fourth Proportional to 1,389,709.22, 2,085,162.96 and 537,380.96

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Solution

The fourth proportional to 1,389,709.22, 2,085,162.96 and 537,380.96 is: 806,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,709.22 : 2,085,162.96 = 537,380.96 : x
  2. Step 2: Convert to fraction form
    1,389,709.22/2,085,162.96 = 537,380.96/x
  3. Step 3: Cross multiply
    1,389,709.22x = 2,085,162.96 × 537,380.96
  4. Step 4: Simplify right side
    1,389,709.22x = 1,120,526,862,775.43
  5. Step 5: Solve for x
    x = 1,120,526,862,775.43/1,389,709.22
  6. Step 6: Final answer
    x = 806,303.11

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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.