Home / 1,318,768.20-1,977,957.90-372,234.60

Finding the Fourth Proportional to 1,318,768.20, 1,977,957.90 and 372,234.60

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Solution

The fourth proportional to 1,318,768.20, 1,977,957.90 and 372,234.60 is: 558,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,768.20 : 1,977,957.90 = 372,234.60 : x
  2. Step 2: Convert to fraction form
    1,318,768.20/1,977,957.90 = 372,234.60/x
  3. Step 3: Cross multiply
    1,318,768.20x = 1,977,957.90 × 372,234.60
  4. Step 4: Simplify right side
    1,318,768.20x = 736,264,367,723.34
  5. Step 5: Solve for x
    x = 736,264,367,723.34/1,318,768.20
  6. Step 6: Final answer
    x = 558,297.03

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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.