Home / 1,445,542.44-2,168,116.82-380,495.31

Finding the Fourth Proportional to 1,445,542.44, 2,168,116.82 and 380,495.31

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Solution

The fourth proportional to 1,445,542.44, 2,168,116.82 and 380,495.31 is: 570,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,542.44 : 2,168,116.82 = 380,495.31 : x
  2. Step 2: Convert to fraction form
    1,445,542.44/2,168,116.82 = 380,495.31/x
  3. Step 3: Cross multiply
    1,445,542.44x = 2,168,116.82 × 380,495.31
  4. Step 4: Simplify right side
    1,445,542.44x = 824,958,281,542.11
  5. Step 5: Solve for x
    x = 824,958,281,542.11/1,445,542.44
  6. Step 6: Final answer
    x = 570,691.15

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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.