Home / 1,208,293.62-1,811,308.05-409,015.86

Finding the Fourth Proportional to 1,208,293.62, 1,811,308.05 and 409,015.86

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Solution

The fourth proportional to 1,208,293.62, 1,811,308.05 and 409,015.86 is: 613,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,293.62 : 1,811,308.05 = 409,015.86 : x
  2. Step 2: Convert to fraction form
    1,208,293.62/1,811,308.05 = 409,015.86/x
  3. Step 3: Cross multiply
    1,208,293.62x = 1,811,308.05 × 409,015.86
  4. Step 4: Simplify right side
    1,208,293.62x = 740,853,719,795.67
  5. Step 5: Solve for x
    x = 740,853,719,795.67/1,208,293.62
  6. Step 6: Final answer
    x = 613,140.47

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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.