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Finding the Fourth Proportional to 898,496.80, 1,347,745.20 and 825,013.60

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Solution

The fourth proportional to 898,496.80, 1,347,745.20 and 825,013.60 is: 1,237,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,496.80 : 1,347,745.20 = 825,013.60 : x
  2. Step 2: Convert to fraction form
    898,496.80/1,347,745.20 = 825,013.60/x
  3. Step 3: Cross multiply
    898,496.80x = 1,347,745.20 × 825,013.60
  4. Step 4: Simplify right side
    898,496.80x = 1,111,908,119,334.72
  5. Step 5: Solve for x
    x = 1,111,908,119,334.72/898,496.80
  6. Step 6: Final answer
    x = 1,237,520.40

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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.