Home / 1,211,489.70-1,813,735.35-739,097.70

Finding the Fourth Proportional to 1,211,489.70, 1,813,735.35 and 739,097.70

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Solution

The fourth proportional to 1,211,489.70, 1,813,735.35 and 739,097.70 is: 1,106,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,489.70 : 1,813,735.35 = 739,097.70 : x
  2. Step 2: Convert to fraction form
    1,211,489.70/1,813,735.35 = 739,097.70/x
  3. Step 3: Cross multiply
    1,211,489.70x = 1,813,735.35 × 739,097.70
  4. Step 4: Simplify right side
    1,211,489.70x = 1,340,527,625,593.70
  5. Step 5: Solve for x
    x = 1,340,527,625,593.70/1,211,489.70
  6. Step 6: Final answer
    x = 1,106,511.78

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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.