Home / 1,640,791.78-2,461,187.68-442,714.10

Finding the Fourth Proportional to 1,640,791.78, 2,461,187.68 and 442,714.10

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Solution

The fourth proportional to 1,640,791.78, 2,461,187.68 and 442,714.10 is: 664,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,791.78 : 2,461,187.68 = 442,714.10 : x
  2. Step 2: Convert to fraction form
    1,640,791.78/2,461,187.68 = 442,714.10/x
  3. Step 3: Cross multiply
    1,640,791.78x = 2,461,187.68 × 442,714.10
  4. Step 4: Simplify right side
    1,640,791.78x = 1,089,602,475,269.56
  5. Step 5: Solve for x
    x = 1,089,602,475,269.56/1,640,791.78
  6. Step 6: Final answer
    x = 664,071.15

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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.