Home / 1,338,019.77-2,006,579.84-484,912.80

Finding the Fourth Proportional to 1,338,019.77, 2,006,579.84 and 484,912.80

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Solution

The fourth proportional to 1,338,019.77, 2,006,579.84 and 484,912.80 is: 727,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,019.77 : 2,006,579.84 = 484,912.80 : x
  2. Step 2: Convert to fraction form
    1,338,019.77/2,006,579.84 = 484,912.80/x
  3. Step 3: Cross multiply
    1,338,019.77x = 2,006,579.84 × 484,912.80
  4. Step 4: Simplify right side
    1,338,019.77x = 973,016,236,180.49
  5. Step 5: Solve for x
    x = 973,016,236,180.49/1,338,019.77
  6. Step 6: Final answer
    x = 727,206.18

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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.