Home / 1,263.58-1,895.32-442.04

Finding the Fourth Proportional to 1,263.58, 1,895.32 and 442.04

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Solution

The fourth proportional to 1,263.58, 1,895.32 and 442.04 is: 663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.58 : 1,895.32 = 442.04 : x
  2. Step 2: Convert to fraction form
    1,263.58/1,895.32 = 442.04/x
  3. Step 3: Cross multiply
    1,263.58x = 1,895.32 × 442.04
  4. Step 4: Simplify right side
    1,263.58x = 837,806.50
  5. Step 5: Solve for x
    x = 837,806.50/1,263.58
  6. Step 6: Final answer
    x = 663.04

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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.