Home / 908,660.40-1,362,990.60-867,326.10

Finding the Fourth Proportional to 908,660.40, 1,362,990.60 and 867,326.10

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Solution

The fourth proportional to 908,660.40, 1,362,990.60 and 867,326.10 is: 1,300,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,660.40 : 1,362,990.60 = 867,326.10 : x
  2. Step 2: Convert to fraction form
    908,660.40/1,362,990.60 = 867,326.10/x
  3. Step 3: Cross multiply
    908,660.40x = 1,362,990.60 × 867,326.10
  4. Step 4: Simplify right side
    908,660.40x = 1,182,157,321,434.66
  5. Step 5: Solve for x
    x = 1,182,157,321,434.66/908,660.40
  6. Step 6: Final answer
    x = 1,300,989.15

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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.