Home / 1,217,931.55-1,827,012.53-331,467.55

Finding the Fourth Proportional to 1,217,931.55, 1,827,012.53 and 331,467.55

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Solution

The fourth proportional to 1,217,931.55, 1,827,012.53 and 331,467.55 is: 497,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,931.55 : 1,827,012.53 = 331,467.55 : x
  2. Step 2: Convert to fraction form
    1,217,931.55/1,827,012.53 = 331,467.55/x
  3. Step 3: Cross multiply
    1,217,931.55x = 1,827,012.53 × 331,467.55
  4. Step 4: Simplify right side
    1,217,931.55x = 605,595,365,481.06
  5. Step 5: Solve for x
    x = 605,595,365,481.06/1,217,931.55
  6. Step 6: Final answer
    x = 497,232.68

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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.