Home / 1,003,189.74-1,375,889.75-961,992.32

Finding the Fourth Proportional to 1,003,189.74, 1,375,889.75 and 961,992.32

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Solution

The fourth proportional to 1,003,189.74, 1,375,889.75 and 961,992.32 is: 1,319,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,189.74 : 1,375,889.75 = 961,992.32 : x
  2. Step 2: Convert to fraction form
    1,003,189.74/1,375,889.75 = 961,992.32/x
  3. Step 3: Cross multiply
    1,003,189.74x = 1,375,889.75 × 961,992.32
  4. Step 4: Simplify right side
    1,003,189.74x = 1,323,595,360,977.31
  5. Step 5: Solve for x
    x = 1,323,595,360,977.31/1,003,189.74
  6. Step 6: Final answer
    x = 1,319,386.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.