Home / 1,331,396.80-1,997,095.20-532,801.60

Finding the Fourth Proportional to 1,331,396.80, 1,997,095.20 and 532,801.60

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Solution

The fourth proportional to 1,331,396.80, 1,997,095.20 and 532,801.60 is: 799,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,396.80 : 1,997,095.20 = 532,801.60 : x
  2. Step 2: Convert to fraction form
    1,331,396.80/1,997,095.20 = 532,801.60/x
  3. Step 3: Cross multiply
    1,331,396.80x = 1,997,095.20 × 532,801.60
  4. Step 4: Simplify right side
    1,331,396.80x = 1,064,055,517,912.32
  5. Step 5: Solve for x
    x = 1,064,055,517,912.32/1,331,396.80
  6. Step 6: Final answer
    x = 799,202.40

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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.