Home / 1,263.04-1,901.27-900.34

Finding the Fourth Proportional to 1,263.04, 1,901.27 and 900.34

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Solution

The fourth proportional to 1,263.04, 1,901.27 and 900.34 is: 1,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.04 : 1,901.27 = 900.34 : x
  2. Step 2: Convert to fraction form
    1,263.04/1,901.27 = 900.34/x
  3. Step 3: Cross multiply
    1,263.04x = 1,901.27 × 900.34
  4. Step 4: Simplify right side
    1,263.04x = 1,711,789.43
  5. Step 5: Solve for x
    x = 1,711,789.43/1,263.04
  6. Step 6: Final answer
    x = 1,355.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.