Home / 1,101,537.38-1,521,090.96-688,781.54

Finding the Fourth Proportional to 1,101,537.38, 1,521,090.96 and 688,781.54

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Solution

The fourth proportional to 1,101,537.38, 1,521,090.96 and 688,781.54 is: 951,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,537.38 : 1,521,090.96 = 688,781.54 : x
  2. Step 2: Convert to fraction form
    1,101,537.38/1,521,090.96 = 688,781.54/x
  3. Step 3: Cross multiply
    1,101,537.38x = 1,521,090.96 × 688,781.54
  4. Step 4: Simplify right side
    1,101,537.38x = 1,047,699,373,908.88
  5. Step 5: Solve for x
    x = 1,047,699,373,908.88/1,101,537.38
  6. Step 6: Final answer
    x = 951,124.67

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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.