Home / 1,530,481.08-2,111,493.42-957,303.48

Finding the Fourth Proportional to 1,530,481.08, 2,111,493.42 and 957,303.48

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Solution

The fourth proportional to 1,530,481.08, 2,111,493.42 and 957,303.48 is: 1,320,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,481.08 : 2,111,493.42 = 957,303.48 : x
  2. Step 2: Convert to fraction form
    1,530,481.08/2,111,493.42 = 957,303.48/x
  3. Step 3: Cross multiply
    1,530,481.08x = 2,111,493.42 × 957,303.48
  4. Step 4: Simplify right side
    1,530,481.08x = 2,021,339,998,963.10
  5. Step 5: Solve for x
    x = 2,021,339,998,963.10/1,530,481.08
  6. Step 6: Final answer
    x = 1,320,721.98

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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.