Home / 1,788,821.57-2,682,148.71-802,735.10

Finding the Fourth Proportional to 1,788,821.57, 2,682,148.71 and 802,735.10

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Solution

The fourth proportional to 1,788,821.57, 2,682,148.71 and 802,735.10 is: 1,203,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,821.57 : 2,682,148.71 = 802,735.10 : x
  2. Step 2: Convert to fraction form
    1,788,821.57/2,682,148.71 = 802,735.10/x
  3. Step 3: Cross multiply
    1,788,821.57x = 2,682,148.71 × 802,735.10
  4. Step 4: Simplify right side
    1,788,821.57x = 2,153,054,912,936.72
  5. Step 5: Solve for x
    x = 2,153,054,912,936.72/1,788,821.57
  6. Step 6: Final answer
    x = 1,203,616.36

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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.