Home / 1,186,789.52-1,779,765.24-512,843.60

Finding the Fourth Proportional to 1,186,789.52, 1,779,765.24 and 512,843.60

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Solution

The fourth proportional to 1,186,789.52, 1,779,765.24 and 512,843.60 is: 769,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,789.52 : 1,779,765.24 = 512,843.60 : x
  2. Step 2: Convert to fraction form
    1,186,789.52/1,779,765.24 = 512,843.60/x
  3. Step 3: Cross multiply
    1,186,789.52x = 1,779,765.24 × 512,843.60
  4. Step 4: Simplify right side
    1,186,789.52x = 912,741,212,836.46
  5. Step 5: Solve for x
    x = 912,741,212,836.46/1,186,789.52
  6. Step 6: Final answer
    x = 769,084.32

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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.