Home / 1,242,466.50-1,863,702.35-343,910.83

Finding the Fourth Proportional to 1,242,466.50, 1,863,702.35 and 343,910.83

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Solution

The fourth proportional to 1,242,466.50, 1,863,702.35 and 343,910.83 is: 515,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,466.50 : 1,863,702.35 = 343,910.83 : x
  2. Step 2: Convert to fraction form
    1,242,466.50/1,863,702.35 = 343,910.83/x
  3. Step 3: Cross multiply
    1,242,466.50x = 1,863,702.35 × 343,910.83
  4. Step 4: Simplify right side
    1,242,466.50x = 640,947,426,651.20
  5. Step 5: Solve for x
    x = 640,947,426,651.20/1,242,466.50
  6. Step 6: Final answer
    x = 515,866.97

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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.