Home / 1,235,929.72-1,851,714.24-1,082,413.84

Finding the Fourth Proportional to 1,235,929.72, 1,851,714.24 and 1,082,413.84

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Solution

The fourth proportional to 1,235,929.72, 1,851,714.24 and 1,082,413.84 is: 1,621,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,929.72 : 1,851,714.24 = 1,082,413.84 : x
  2. Step 2: Convert to fraction form
    1,235,929.72/1,851,714.24 = 1,082,413.84/x
  3. Step 3: Cross multiply
    1,235,929.72x = 1,851,714.24 × 1,082,413.84
  4. Step 4: Simplify right side
    1,235,929.72x = 2,004,321,121,101.08
  5. Step 5: Solve for x
    x = 2,004,321,121,101.08/1,235,929.72
  6. Step 6: Final answer
    x = 1,621,711.24

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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.