Home / 1,057,987.77-1,586,775-338,136.38

Finding the Fourth Proportional to 1,057,987.77, 1,586,775 and 338,136.38

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Solution

The fourth proportional to 1,057,987.77, 1,586,775 and 338,136.38 is: 507,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,987.77 : 1,586,775 = 338,136.38 : x
  2. Step 2: Convert to fraction form
    1,057,987.77/1,586,775 = 338,136.38/x
  3. Step 3: Cross multiply
    1,057,987.77x = 1,586,775 × 338,136.38
  4. Step 4: Simplify right side
    1,057,987.77x = 536,546,346,440.63
  5. Step 5: Solve for x
    x = 536,546,346,440.63/1,057,987.77
  6. Step 6: Final answer
    x = 507,138.51

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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.