Home / 1,116.17-1,673.19-530.87

Finding the Fourth Proportional to 1,116.17, 1,673.19 and 530.87

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Solution

The fourth proportional to 1,116.17, 1,673.19 and 530.87 is: 795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.17 : 1,673.19 = 530.87 : x
  2. Step 2: Convert to fraction form
    1,116.17/1,673.19 = 530.87/x
  3. Step 3: Cross multiply
    1,116.17x = 1,673.19 × 530.87
  4. Step 4: Simplify right side
    1,116.17x = 888,238.01
  5. Step 5: Solve for x
    x = 888,238.01/1,116.17
  6. Step 6: Final answer
    x = 795.79

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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.