Home / 1,558,117.35-2,150,193.06-869,749.38

Finding the Fourth Proportional to 1,558,117.35, 2,150,193.06 and 869,749.38

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Solution

The fourth proportional to 1,558,117.35, 2,150,193.06 and 869,749.38 is: 1,200,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,117.35 : 2,150,193.06 = 869,749.38 : x
  2. Step 2: Convert to fraction form
    1,558,117.35/2,150,193.06 = 869,749.38/x
  3. Step 3: Cross multiply
    1,558,117.35x = 2,150,193.06 × 869,749.38
  4. Step 4: Simplify right side
    1,558,117.35x = 1,870,129,080,815.30
  5. Step 5: Solve for x
    x = 1,870,129,080,815.30/1,558,117.35
  6. Step 6: Final answer
    x = 1,200,249.19

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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.