Home / 1,433,231.80-2,149,847.70-985,334.20

Finding the Fourth Proportional to 1,433,231.80, 2,149,847.70 and 985,334.20

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Solution

The fourth proportional to 1,433,231.80, 2,149,847.70 and 985,334.20 is: 1,478,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,231.80 : 2,149,847.70 = 985,334.20 : x
  2. Step 2: Convert to fraction form
    1,433,231.80/2,149,847.70 = 985,334.20/x
  3. Step 3: Cross multiply
    1,433,231.80x = 2,149,847.70 × 985,334.20
  4. Step 4: Simplify right side
    1,433,231.80x = 2,118,318,463,601.34
  5. Step 5: Solve for x
    x = 2,118,318,463,601.34/1,433,231.80
  6. Step 6: Final answer
    x = 1,478,001.30

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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.