Home / 912,201.80-1,368,302.70-899,760.20

Finding the Fourth Proportional to 912,201.80, 1,368,302.70 and 899,760.20

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Solution

The fourth proportional to 912,201.80, 1,368,302.70 and 899,760.20 is: 1,349,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,201.80 : 1,368,302.70 = 899,760.20 : x
  2. Step 2: Convert to fraction form
    912,201.80/1,368,302.70 = 899,760.20/x
  3. Step 3: Cross multiply
    912,201.80x = 1,368,302.70 × 899,760.20
  4. Step 4: Simplify right side
    912,201.80x = 1,231,144,311,012.54
  5. Step 5: Solve for x
    x = 1,231,144,311,012.54/912,201.80
  6. Step 6: Final answer
    x = 1,349,640.30

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Similar ratio
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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.