Home / 1,298,198.48-1,945,557.05-1,010,357.67

Finding the Fourth Proportional to 1,298,198.48, 1,945,557.05 and 1,010,357.67

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Solution

The fourth proportional to 1,298,198.48, 1,945,557.05 and 1,010,357.67 is: 1,514,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,198.48 : 1,945,557.05 = 1,010,357.67 : x
  2. Step 2: Convert to fraction form
    1,298,198.48/1,945,557.05 = 1,010,357.67/x
  3. Step 3: Cross multiply
    1,298,198.48x = 1,945,557.05 × 1,010,357.67
  4. Step 4: Simplify right side
    1,298,198.48x = 1,965,708,488,615.50
  5. Step 5: Solve for x
    x = 1,965,708,488,615.50/1,298,198.48
  6. Step 6: Final answer
    x = 1,514,181.79

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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.