Home / 1,805,122.20-2,708,720.10-683,995.80

Finding the Fourth Proportional to 1,805,122.20, 2,708,720.10 and 683,995.80

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Solution

The fourth proportional to 1,805,122.20, 2,708,720.10 and 683,995.80 is: 1,026,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,122.20 : 2,708,720.10 = 683,995.80 : x
  2. Step 2: Convert to fraction form
    1,805,122.20/2,708,720.10 = 683,995.80/x
  3. Step 3: Cross multiply
    1,805,122.20x = 2,708,720.10 × 683,995.80
  4. Step 4: Simplify right side
    1,805,122.20x = 1,852,753,171,775.58
  5. Step 5: Solve for x
    x = 1,852,753,171,775.58/1,805,122.20
  6. Step 6: Final answer
    x = 1,026,386.56

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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.