Home / 1,195,429.20-1,793,624.40-485,512.80

Finding the Fourth Proportional to 1,195,429.20, 1,793,624.40 and 485,512.80

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Solution

The fourth proportional to 1,195,429.20, 1,793,624.40 and 485,512.80 is: 728,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,429.20 : 1,793,624.40 = 485,512.80 : x
  2. Step 2: Convert to fraction form
    1,195,429.20/1,793,624.40 = 485,512.80/x
  3. Step 3: Cross multiply
    1,195,429.20x = 1,793,624.40 × 485,512.80
  4. Step 4: Simplify right side
    1,195,429.20x = 870,827,604,592.32
  5. Step 5: Solve for x
    x = 870,827,604,592.32/1,195,429.20
  6. Step 6: Final answer
    x = 728,464.39

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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.