Home / 1,045.92-1,569.12-526.14

Finding the Fourth Proportional to 1,045.92, 1,569.12 and 526.14

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Solution

The fourth proportional to 1,045.92, 1,569.12 and 526.14 is: 789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.92 : 1,569.12 = 526.14 : x
  2. Step 2: Convert to fraction form
    1,045.92/1,569.12 = 526.14/x
  3. Step 3: Cross multiply
    1,045.92x = 1,569.12 × 526.14
  4. Step 4: Simplify right side
    1,045.92x = 825,576.80
  5. Step 5: Solve for x
    x = 825,576.80/1,045.92
  6. Step 6: Final answer
    x = 789.33

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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.