Home / 1,319,768.20-1,979,457.90-373,234.60

Finding the Fourth Proportional to 1,319,768.20, 1,979,457.90 and 373,234.60

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Solution

The fourth proportional to 1,319,768.20, 1,979,457.90 and 373,234.60 is: 559,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,768.20 : 1,979,457.90 = 373,234.60 : x
  2. Step 2: Convert to fraction form
    1,319,768.20/1,979,457.90 = 373,234.60/x
  3. Step 3: Cross multiply
    1,319,768.20x = 1,979,457.90 × 373,234.60
  4. Step 4: Simplify right side
    1,319,768.20x = 738,802,177,523.34
  5. Step 5: Solve for x
    x = 738,802,177,523.34/1,319,768.20
  6. Step 6: Final answer
    x = 559,796.92

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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.