Home / 1,087,793.67-1,631,229.15-518,516.22

Finding the Fourth Proportional to 1,087,793.67, 1,631,229.15 and 518,516.22

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Solution

The fourth proportional to 1,087,793.67, 1,631,229.15 and 518,516.22 is: 777,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,793.67 : 1,631,229.15 = 518,516.22 : x
  2. Step 2: Convert to fraction form
    1,087,793.67/1,631,229.15 = 518,516.22/x
  3. Step 3: Cross multiply
    1,087,793.67x = 1,631,229.15 × 518,516.22
  4. Step 4: Simplify right side
    1,087,793.67x = 845,818,772,811.81
  5. Step 5: Solve for x
    x = 845,818,772,811.81/1,087,793.67
  6. Step 6: Final answer
    x = 777,554.42

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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.