Home / 1,246.06-1,868.75-630.12

Finding the Fourth Proportional to 1,246.06, 1,868.75 and 630.12

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Solution

The fourth proportional to 1,246.06, 1,868.75 and 630.12 is: 945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.06 : 1,868.75 = 630.12 : x
  2. Step 2: Convert to fraction form
    1,246.06/1,868.75 = 630.12/x
  3. Step 3: Cross multiply
    1,246.06x = 1,868.75 × 630.12
  4. Step 4: Simplify right side
    1,246.06x = 1,177,541.24
  5. Step 5: Solve for x
    x = 1,177,541.24/1,246.06
  6. Step 6: Final answer
    x = 945.01

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1.5x scale

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.