Home / 1,768,896.80-2,653,345.20-1,131,167.60

Finding the Fourth Proportional to 1,768,896.80, 2,653,345.20 and 1,131,167.60

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Solution

The fourth proportional to 1,768,896.80, 2,653,345.20 and 1,131,167.60 is: 1,696,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,896.80 : 2,653,345.20 = 1,131,167.60 : x
  2. Step 2: Convert to fraction form
    1,768,896.80/2,653,345.20 = 1,131,167.60/x
  3. Step 3: Cross multiply
    1,768,896.80x = 2,653,345.20 × 1,131,167.60
  4. Step 4: Simplify right side
    1,768,896.80x = 3,001,378,121,855.52
  5. Step 5: Solve for x
    x = 3,001,378,121,855.52/1,768,896.80
  6. Step 6: Final answer
    x = 1,696,751.40

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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.