Home / 1,299.01-1,948.20-605.02

Finding the Fourth Proportional to 1,299.01, 1,948.20 and 605.02

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Solution

The fourth proportional to 1,299.01, 1,948.20 and 605.02 is: 907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.01 : 1,948.20 = 605.02 : x
  2. Step 2: Convert to fraction form
    1,299.01/1,948.20 = 605.02/x
  3. Step 3: Cross multiply
    1,299.01x = 1,948.20 × 605.02
  4. Step 4: Simplify right side
    1,299.01x = 1,178,699.96
  5. Step 5: Solve for x
    x = 1,178,699.96/1,299.01
  6. Step 6: Final answer
    x = 907.38

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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.