Home / 1,297,661.20-1,946,491.80-456,103.60

Finding the Fourth Proportional to 1,297,661.20, 1,946,491.80 and 456,103.60

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Solution

The fourth proportional to 1,297,661.20, 1,946,491.80 and 456,103.60 is: 684,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,661.20 : 1,946,491.80 = 456,103.60 : x
  2. Step 2: Convert to fraction form
    1,297,661.20/1,946,491.80 = 456,103.60/x
  3. Step 3: Cross multiply
    1,297,661.20x = 1,946,491.80 × 456,103.60
  4. Step 4: Simplify right side
    1,297,661.20x = 887,801,917,350.48
  5. Step 5: Solve for x
    x = 887,801,917,350.48/1,297,661.20
  6. Step 6: Final answer
    x = 684,155.40

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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.