Home / 1,021,155.82-1,531,899.99-301,570.36

Finding the Fourth Proportional to 1,021,155.82, 1,531,899.99 and 301,570.36

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Solution

The fourth proportional to 1,021,155.82, 1,531,899.99 and 301,570.36 is: 452,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,155.82 : 1,531,899.99 = 301,570.36 : x
  2. Step 2: Convert to fraction form
    1,021,155.82/1,531,899.99 = 301,570.36/x
  3. Step 3: Cross multiply
    1,021,155.82x = 1,531,899.99 × 301,570.36
  4. Step 4: Simplify right side
    1,021,155.82x = 461,975,627,638.55
  5. Step 5: Solve for x
    x = 461,975,627,638.55/1,021,155.82
  6. Step 6: Final answer
    x = 452,404.64

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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.