Home / 1,321,544.70-1,982,317.05-1,097,352.90

Finding the Fourth Proportional to 1,321,544.70, 1,982,317.05 and 1,097,352.90

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Solution

The fourth proportional to 1,321,544.70, 1,982,317.05 and 1,097,352.90 is: 1,646,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,544.70 : 1,982,317.05 = 1,097,352.90 : x
  2. Step 2: Convert to fraction form
    1,321,544.70/1,982,317.05 = 1,097,352.90/x
  3. Step 3: Cross multiply
    1,321,544.70x = 1,982,317.05 × 1,097,352.90
  4. Step 4: Simplify right side
    1,321,544.70x = 2,175,301,363,536.94
  5. Step 5: Solve for x
    x = 2,175,301,363,536.94/1,321,544.70
  6. Step 6: Final answer
    x = 1,646,029.35

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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.