Home / 1,242,494.06-1,863,743.52-343,938.38

Finding the Fourth Proportional to 1,242,494.06, 1,863,743.52 and 343,938.38

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Solution

The fourth proportional to 1,242,494.06, 1,863,743.52 and 343,938.38 is: 515,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,494.06 : 1,863,743.52 = 343,938.38 : x
  2. Step 2: Convert to fraction form
    1,242,494.06/1,863,743.52 = 343,938.38/x
  3. Step 3: Cross multiply
    1,242,494.06x = 1,863,743.52 × 343,938.38
  4. Step 4: Simplify right side
    1,242,494.06x = 641,012,927,004.30
  5. Step 5: Solve for x
    x = 641,012,927,004.30/1,242,494.06
  6. Step 6: Final answer
    x = 515,908.24

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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.