Home / 1,283,910.43-1,926,160.89-385,369.18

Finding the Fourth Proportional to 1,283,910.43, 1,926,160.89 and 385,369.18

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Solution

The fourth proportional to 1,283,910.43, 1,926,160.89 and 385,369.18 is: 578,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,910.43 : 1,926,160.89 = 385,369.18 : x
  2. Step 2: Convert to fraction form
    1,283,910.43/1,926,160.89 = 385,369.18/x
  3. Step 3: Cross multiply
    1,283,910.43x = 1,926,160.89 × 385,369.18
  4. Step 4: Simplify right side
    1,283,910.43x = 742,283,036,230.15
  5. Step 5: Solve for x
    x = 742,283,036,230.15/1,283,910.43
  6. Step 6: Final answer
    x = 578,142.38

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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.