Home / 1,613,304.86-2,421,453.56-815,146.92

Finding the Fourth Proportional to 1,613,304.86, 2,421,453.56 and 815,146.92

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Solution

The fourth proportional to 1,613,304.86, 2,421,453.56 and 815,146.92 is: 1,223,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,304.86 : 2,421,453.56 = 815,146.92 : x
  2. Step 2: Convert to fraction form
    1,613,304.86/2,421,453.56 = 815,146.92/x
  3. Step 3: Cross multiply
    1,613,304.86x = 2,421,453.56 × 815,146.92
  4. Step 4: Simplify right side
    1,613,304.86x = 1,973,840,407,281.30
  5. Step 5: Solve for x
    x = 1,973,840,407,281.30/1,613,304.86
  6. Step 6: Final answer
    x = 1,223,476.39

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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.