Home / 1,151,143.30-1,725,730.26-441,680.50

Finding the Fourth Proportional to 1,151,143.30, 1,725,730.26 and 441,680.50

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Solution

The fourth proportional to 1,151,143.30, 1,725,730.26 and 441,680.50 is: 662,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,143.30 : 1,725,730.26 = 441,680.50 : x
  2. Step 2: Convert to fraction form
    1,151,143.30/1,725,730.26 = 441,680.50/x
  3. Step 3: Cross multiply
    1,151,143.30x = 1,725,730.26 × 441,680.50
  4. Step 4: Simplify right side
    1,151,143.30x = 762,221,404,101.93
  5. Step 5: Solve for x
    x = 762,221,404,101.93/1,151,143.30
  6. Step 6: Final answer
    x = 662,142.94

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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.