Home / 1,247,339.67-1,870,993.10-300,702.80

Finding the Fourth Proportional to 1,247,339.67, 1,870,993.10 and 300,702.80

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Solution

The fourth proportional to 1,247,339.67, 1,870,993.10 and 300,702.80 is: 451,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,339.67 : 1,870,993.10 = 300,702.80 : x
  2. Step 2: Convert to fraction form
    1,247,339.67/1,870,993.10 = 300,702.80/x
  3. Step 3: Cross multiply
    1,247,339.67x = 1,870,993.10 × 300,702.80
  4. Step 4: Simplify right side
    1,247,339.67x = 562,612,853,092.20
  5. Step 5: Solve for x
    x = 562,612,853,092.20/1,247,339.67
  6. Step 6: Final answer
    x = 451,050.24

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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.