Home / 1,006,214.46-1,509,321.70-689,711.82

Finding the Fourth Proportional to 1,006,214.46, 1,509,321.70 and 689,711.82

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Solution

The fourth proportional to 1,006,214.46, 1,509,321.70 and 689,711.82 is: 1,034,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,214.46 : 1,509,321.70 = 689,711.82 : x
  2. Step 2: Convert to fraction form
    1,006,214.46/1,509,321.70 = 689,711.82/x
  3. Step 3: Cross multiply
    1,006,214.46x = 1,509,321.70 × 689,711.82
  4. Step 4: Simplify right side
    1,006,214.46x = 1,040,997,016,672.49
  5. Step 5: Solve for x
    x = 1,040,997,016,672.49/1,006,214.46
  6. Step 6: Final answer
    x = 1,034,567.74

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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.