Home / 1,289,334-1,933,998.88-342,704.76

Finding the Fourth Proportional to 1,289,334, 1,933,998.88 and 342,704.76

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Solution

The fourth proportional to 1,289,334, 1,933,998.88 and 342,704.76 is: 514,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,334 : 1,933,998.88 = 342,704.76 : x
  2. Step 2: Convert to fraction form
    1,289,334/1,933,998.88 = 342,704.76/x
  3. Step 3: Cross multiply
    1,289,334x = 1,933,998.88 × 342,704.76
  4. Step 4: Simplify right side
    1,289,334x = 662,790,622,010.67
  5. Step 5: Solve for x
    x = 662,790,622,010.67/1,289,334
  6. Step 6: Final answer
    x = 514,056.58

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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.