Home / 900,601.80-1,347,622.20-664,405.80

Finding the Fourth Proportional to 900,601.80, 1,347,622.20 and 664,405.80

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Solution

The fourth proportional to 900,601.80, 1,347,622.20 and 664,405.80 is: 994,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,601.80 : 1,347,622.20 = 664,405.80 : x
  2. Step 2: Convert to fraction form
    900,601.80/1,347,622.20 = 664,405.80/x
  3. Step 3: Cross multiply
    900,601.80x = 1,347,622.20 × 664,405.80
  4. Step 4: Simplify right side
    900,601.80x = 895,368,005,888.76
  5. Step 5: Solve for x
    x = 895,368,005,888.76/900,601.80
  6. Step 6: Final answer
    x = 994,188.56

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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.