Home / 1,021,147.36-1,531,887.28-301,561.85

Finding the Fourth Proportional to 1,021,147.36, 1,531,887.28 and 301,561.85

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Solution

The fourth proportional to 1,021,147.36, 1,531,887.28 and 301,561.85 is: 452,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,147.36 : 1,531,887.28 = 301,561.85 : x
  2. Step 2: Convert to fraction form
    1,021,147.36/1,531,887.28 = 301,561.85/x
  3. Step 3: Cross multiply
    1,021,147.36x = 1,531,887.28 × 301,561.85
  4. Step 4: Simplify right side
    1,021,147.36x = 461,958,765,224.08
  5. Step 5: Solve for x
    x = 461,958,765,224.08/1,021,147.36
  6. Step 6: Final answer
    x = 452,391.87

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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.