Home / 1,266.19-1,898.46-525.60

Finding the Fourth Proportional to 1,266.19, 1,898.46 and 525.60

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Solution

The fourth proportional to 1,266.19, 1,898.46 and 525.60 is: 788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.19 : 1,898.46 = 525.60 : x
  2. Step 2: Convert to fraction form
    1,266.19/1,898.46 = 525.60/x
  3. Step 3: Cross multiply
    1,266.19x = 1,898.46 × 525.60
  4. Step 4: Simplify right side
    1,266.19x = 997,821.08
  5. Step 5: Solve for x
    x = 997,821.08/1,266.19
  6. Step 6: Final answer
    x = 788.05

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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.