Home / 1,330,475.67-1,996,500.83-489,617.91

Finding the Fourth Proportional to 1,330,475.67, 1,996,500.83 and 489,617.91

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Solution

The fourth proportional to 1,330,475.67, 1,996,500.83 and 489,617.91 is: 734,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,475.67 : 1,996,500.83 = 489,617.91 : x
  2. Step 2: Convert to fraction form
    1,330,475.67/1,996,500.83 = 489,617.91/x
  3. Step 3: Cross multiply
    1,330,475.67x = 1,996,500.83 × 489,617.91
  4. Step 4: Simplify right side
    1,330,475.67x = 977,522,561,249.78
  5. Step 5: Solve for x
    x = 977,522,561,249.78/1,330,475.67
  6. Step 6: Final answer
    x = 734,716.60

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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.