Home / 897,739.20-1,347,343.20-890,740.80

Finding the Fourth Proportional to 897,739.20, 1,347,343.20 and 890,740.80

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Solution

The fourth proportional to 897,739.20, 1,347,343.20 and 890,740.80 is: 1,336,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,739.20 : 1,347,343.20 = 890,740.80 : x
  2. Step 2: Convert to fraction form
    897,739.20/1,347,343.20 = 890,740.80/x
  3. Step 3: Cross multiply
    897,739.20x = 1,347,343.20 × 890,740.80
  4. Step 4: Simplify right side
    897,739.20x = 1,200,133,559,842.56
  5. Step 5: Solve for x
    x = 1,200,133,559,842.56/897,739.20
  6. Step 6: Final answer
    x = 1,336,839.87

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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.