Home / 1,036.24-1,555.16-459.52

Finding the Fourth Proportional to 1,036.24, 1,555.16 and 459.52

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Solution

The fourth proportional to 1,036.24, 1,555.16 and 459.52 is: 689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.24 : 1,555.16 = 459.52 : x
  2. Step 2: Convert to fraction form
    1,036.24/1,555.16 = 459.52/x
  3. Step 3: Cross multiply
    1,036.24x = 1,555.16 × 459.52
  4. Step 4: Simplify right side
    1,036.24x = 714,627.12
  5. Step 5: Solve for x
    x = 714,627.12/1,036.24
  6. Step 6: Final answer
    x = 689.63

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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.