Home / 1,613,309.38-2,421,460.32-815,151.42

Finding the Fourth Proportional to 1,613,309.38, 2,421,460.32 and 815,151.42

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Solution

The fourth proportional to 1,613,309.38, 2,421,460.32 and 815,151.42 is: 1,223,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,309.38 : 2,421,460.32 = 815,151.42 : x
  2. Step 2: Convert to fraction form
    1,613,309.38/2,421,460.32 = 815,151.42/x
  3. Step 3: Cross multiply
    1,613,309.38x = 2,421,460.32 × 815,151.42
  4. Step 4: Simplify right side
    1,613,309.38x = 1,973,856,818,321.65
  5. Step 5: Solve for x
    x = 1,973,856,818,321.65/1,613,309.38
  6. Step 6: Final answer
    x = 1,223,483.14

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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.