Home / 1,124.18-1,551.20-626.83

Finding the Fourth Proportional to 1,124.18, 1,551.20 and 626.83

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Solution

The fourth proportional to 1,124.18, 1,551.20 and 626.83 is: 864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.18 : 1,551.20 = 626.83 : x
  2. Step 2: Convert to fraction form
    1,124.18/1,551.20 = 626.83/x
  3. Step 3: Cross multiply
    1,124.18x = 1,551.20 × 626.83
  4. Step 4: Simplify right side
    1,124.18x = 972,338.70
  5. Step 5: Solve for x
    x = 972,338.70/1,124.18
  6. Step 6: Final answer
    x = 864.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.