Home / 1,242,335.45-1,863,544.60-343,701.93

Finding the Fourth Proportional to 1,242,335.45, 1,863,544.60 and 343,701.93

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Solution

The fourth proportional to 1,242,335.45, 1,863,544.60 and 343,701.93 is: 515,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,335.45 : 1,863,544.60 = 343,701.93 : x
  2. Step 2: Convert to fraction form
    1,242,335.45/1,863,544.60 = 343,701.93/x
  3. Step 3: Cross multiply
    1,242,335.45x = 1,863,544.60 × 343,701.93
  4. Step 4: Simplify right side
    1,242,335.45x = 640,503,882,112.34
  5. Step 5: Solve for x
    x = 640,503,882,112.34/1,242,335.45
  6. Step 6: Final answer
    x = 515,564.36

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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.