Home / 1,057,986.52-1,586,773.13-338,135.12

Finding the Fourth Proportional to 1,057,986.52, 1,586,773.13 and 338,135.12

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Solution

The fourth proportional to 1,057,986.52, 1,586,773.13 and 338,135.12 is: 507,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,986.52 : 1,586,773.13 = 338,135.12 : x
  2. Step 2: Convert to fraction form
    1,057,986.52/1,586,773.13 = 338,135.12/x
  3. Step 3: Cross multiply
    1,057,986.52x = 1,586,773.13 × 338,135.12
  4. Step 4: Simplify right side
    1,057,986.52x = 536,543,725,001.58
  5. Step 5: Solve for x
    x = 536,543,725,001.58/1,057,986.52
  6. Step 6: Final answer
    x = 507,136.64

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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.