Home / 1,200,043.35-1,800,289.19-401,329.08

Finding the Fourth Proportional to 1,200,043.35, 1,800,289.19 and 401,329.08

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Solution

The fourth proportional to 1,200,043.35, 1,800,289.19 and 401,329.08 is: 602,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,043.35 : 1,800,289.19 = 401,329.08 : x
  2. Step 2: Convert to fraction form
    1,200,043.35/1,800,289.19 = 401,329.08/x
  3. Step 3: Cross multiply
    1,200,043.35x = 1,800,289.19 × 401,329.08
  4. Step 4: Simplify right side
    1,200,043.35x = 722,508,405,359.97
  5. Step 5: Solve for x
    x = 722,508,405,359.97/1,200,043.35
  6. Step 6: Final answer
    x = 602,068.59

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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.