Home / 1,450,511.10-2,175,001.20-490,636.80

Finding the Fourth Proportional to 1,450,511.10, 2,175,001.20 and 490,636.80

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Solution

The fourth proportional to 1,450,511.10, 2,175,001.20 and 490,636.80 is: 735,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,511.10 : 2,175,001.20 = 490,636.80 : x
  2. Step 2: Convert to fraction form
    1,450,511.10/2,175,001.20 = 490,636.80/x
  3. Step 3: Cross multiply
    1,450,511.10x = 2,175,001.20 × 490,636.80
  4. Step 4: Simplify right side
    1,450,511.10x = 1,067,135,628,764.16
  5. Step 5: Solve for x
    x = 1,067,135,628,764.16/1,450,511.10
  6. Step 6: Final answer
    x = 735,696.29

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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.