Home / 1,216,429.60-1,824,668.70-317,815.60

Finding the Fourth Proportional to 1,216,429.60, 1,824,668.70 and 317,815.60

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Solution

The fourth proportional to 1,216,429.60, 1,824,668.70 and 317,815.60 is: 476,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,429.60 : 1,824,668.70 = 317,815.60 : x
  2. Step 2: Convert to fraction form
    1,216,429.60/1,824,668.70 = 317,815.60/x
  3. Step 3: Cross multiply
    1,216,429.60x = 1,824,668.70 × 317,815.60
  4. Step 4: Simplify right side
    1,216,429.60x = 579,908,177,691.72
  5. Step 5: Solve for x
    x = 579,908,177,691.72/1,216,429.60
  6. Step 6: Final answer
    x = 476,729.75

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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.