Home / 1,300.13-1,948.70-559.52

Finding the Fourth Proportional to 1,300.13, 1,948.70 and 559.52

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Solution

The fourth proportional to 1,300.13, 1,948.70 and 559.52 is: 838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.13 : 1,948.70 = 559.52 : x
  2. Step 2: Convert to fraction form
    1,300.13/1,948.70 = 559.52/x
  3. Step 3: Cross multiply
    1,300.13x = 1,948.70 × 559.52
  4. Step 4: Simplify right side
    1,300.13x = 1,090,324.08
  5. Step 5: Solve for x
    x = 1,090,324.08/1,300.13
  6. Step 6: Final answer
    x = 838.63

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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.