Home / 1,776,022.70-2,662,721.85-978,205.10

Finding the Fourth Proportional to 1,776,022.70, 2,662,721.85 and 978,205.10

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Solution

The fourth proportional to 1,776,022.70, 2,662,721.85 and 978,205.10 is: 1,466,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,022.70 : 2,662,721.85 = 978,205.10 : x
  2. Step 2: Convert to fraction form
    1,776,022.70/2,662,721.85 = 978,205.10/x
  3. Step 3: Cross multiply
    1,776,022.70x = 2,662,721.85 × 978,205.10
  4. Step 4: Simplify right side
    1,776,022.70x = 2,604,688,093,551.44
  5. Step 5: Solve for x
    x = 2,604,688,093,551.44/1,776,022.70
  6. Step 6: Final answer
    x = 1,466,584.91

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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.