Home / 1,338,674.70-2,005,059.60-805,265.40

Finding the Fourth Proportional to 1,338,674.70, 2,005,059.60 and 805,265.40

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Solution

The fourth proportional to 1,338,674.70, 2,005,059.60 and 805,265.40 is: 1,206,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,674.70 : 2,005,059.60 = 805,265.40 : x
  2. Step 2: Convert to fraction form
    1,338,674.70/2,005,059.60 = 805,265.40/x
  3. Step 3: Cross multiply
    1,338,674.70x = 2,005,059.60 × 805,265.40
  4. Step 4: Simplify right side
    1,338,674.70x = 1,614,605,120,817.84
  5. Step 5: Solve for x
    x = 1,614,605,120,817.84/1,338,674.70
  6. Step 6: Final answer
    x = 1,206,122.09

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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.