Home / 1,251,221.58-1,879,345.80-746,768.16

Finding the Fourth Proportional to 1,251,221.58, 1,879,345.80 and 746,768.16

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Solution

The fourth proportional to 1,251,221.58, 1,879,345.80 and 746,768.16 is: 1,121,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,221.58 : 1,879,345.80 = 746,768.16 : x
  2. Step 2: Convert to fraction form
    1,251,221.58/1,879,345.80 = 746,768.16/x
  3. Step 3: Cross multiply
    1,251,221.58x = 1,879,345.80 × 746,768.16
  4. Step 4: Simplify right side
    1,251,221.58x = 1,403,435,605,069.73
  5. Step 5: Solve for x
    x = 1,403,435,605,069.73/1,251,221.58
  6. Step 6: Final answer
    x = 1,121,652.33

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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.