Home / 1,613,327.36-2,421,487.31-815,169.42

Finding the Fourth Proportional to 1,613,327.36, 2,421,487.31 and 815,169.42

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Solution

The fourth proportional to 1,613,327.36, 2,421,487.31 and 815,169.42 is: 1,223,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,327.36 : 2,421,487.31 = 815,169.42 : x
  2. Step 2: Convert to fraction form
    1,613,327.36/2,421,487.31 = 815,169.42/x
  3. Step 3: Cross multiply
    1,613,327.36x = 2,421,487.31 × 815,169.42
  4. Step 4: Simplify right side
    1,613,327.36x = 1,973,922,401,954.21
  5. Step 5: Solve for x
    x = 1,973,922,401,954.21/1,613,327.36
  6. Step 6: Final answer
    x = 1,223,510.15

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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.