Home / 1,263.29-1,895.30-614.39

Finding the Fourth Proportional to 1,263.29, 1,895.30 and 614.39

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Solution

The fourth proportional to 1,263.29, 1,895.30 and 614.39 is: 921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.29 : 1,895.30 = 614.39 : x
  2. Step 2: Convert to fraction form
    1,263.29/1,895.30 = 614.39/x
  3. Step 3: Cross multiply
    1,263.29x = 1,895.30 × 614.39
  4. Step 4: Simplify right side
    1,263.29x = 1,164,459.64
  5. Step 5: Solve for x
    x = 1,164,459.64/1,263.29
  6. Step 6: Final answer
    x = 921.77

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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.