Home / 1,047.04-1,453.60-1,015.36

Finding the Fourth Proportional to 1,047.04, 1,453.60 and 1,015.36

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Solution

The fourth proportional to 1,047.04, 1,453.60 and 1,015.36 is: 1,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.04 : 1,453.60 = 1,015.36 : x
  2. Step 2: Convert to fraction form
    1,047.04/1,453.60 = 1,015.36/x
  3. Step 3: Cross multiply
    1,047.04x = 1,453.60 × 1,015.36
  4. Step 4: Simplify right side
    1,047.04x = 1,475,927.30
  5. Step 5: Solve for x
    x = 1,475,927.30/1,047.04
  6. Step 6: Final answer
    x = 1,409.62

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.