Home / 1,131,680.08-1,565,830.88-986,788

Finding the Fourth Proportional to 1,131,680.08, 1,565,830.88 and 986,788

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Solution

The fourth proportional to 1,131,680.08, 1,565,830.88 and 986,788 is: 1,365,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,680.08 : 1,565,830.88 = 986,788 : x
  2. Step 2: Convert to fraction form
    1,131,680.08/1,565,830.88 = 986,788/x
  3. Step 3: Cross multiply
    1,131,680.08x = 1,565,830.88 × 986,788
  4. Step 4: Simplify right side
    1,131,680.08x = 1,545,143,122,413.44
  5. Step 5: Solve for x
    x = 1,545,143,122,413.44/1,131,680.08
  6. Step 6: Final answer
    x = 1,365,353.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.