Home / 1,056.26-1,585.23-479.18

Finding the Fourth Proportional to 1,056.26, 1,585.23 and 479.18

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Solution

The fourth proportional to 1,056.26, 1,585.23 and 479.18 is: 719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.26 : 1,585.23 = 479.18 : x
  2. Step 2: Convert to fraction form
    1,056.26/1,585.23 = 479.18/x
  3. Step 3: Cross multiply
    1,056.26x = 1,585.23 × 479.18
  4. Step 4: Simplify right side
    1,056.26x = 759,610.51
  5. Step 5: Solve for x
    x = 759,610.51/1,056.26
  6. Step 6: Final answer
    x = 719.15

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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.