Home / 1,613,305.38-2,421,454.32-815,147.42

Finding the Fourth Proportional to 1,613,305.38, 2,421,454.32 and 815,147.42

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Solution

The fourth proportional to 1,613,305.38, 2,421,454.32 and 815,147.42 is: 1,223,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,305.38 : 2,421,454.32 = 815,147.42 : x
  2. Step 2: Convert to fraction form
    1,613,305.38/2,421,454.32 = 815,147.42/x
  3. Step 3: Cross multiply
    1,613,305.38x = 2,421,454.32 × 815,147.42
  4. Step 4: Simplify right side
    1,613,305.38x = 1,973,842,241,595.85
  5. Step 5: Solve for x
    x = 1,973,842,241,595.85/1,613,305.38
  6. Step 6: Final answer
    x = 1,223,477.13

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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.