Home / 1,246,608.40-1,870,787.40-798,419.20

Finding the Fourth Proportional to 1,246,608.40, 1,870,787.40 and 798,419.20

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Solution

The fourth proportional to 1,246,608.40, 1,870,787.40 and 798,419.20 is: 1,198,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,608.40 : 1,870,787.40 = 798,419.20 : x
  2. Step 2: Convert to fraction form
    1,246,608.40/1,870,787.40 = 798,419.20/x
  3. Step 3: Cross multiply
    1,246,608.40x = 1,870,787.40 × 798,419.20
  4. Step 4: Simplify right side
    1,246,608.40x = 1,493,672,579,278.08
  5. Step 5: Solve for x
    x = 1,493,672,579,278.08/1,246,608.40
  6. Step 6: Final answer
    x = 1,198,189.09

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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.