Home / 1,080,349.60-1,619,533.68-415,000.48

Finding the Fourth Proportional to 1,080,349.60, 1,619,533.68 and 415,000.48

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Solution

The fourth proportional to 1,080,349.60, 1,619,533.68 and 415,000.48 is: 622,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,349.60 : 1,619,533.68 = 415,000.48 : x
  2. Step 2: Convert to fraction form
    1,080,349.60/1,619,533.68 = 415,000.48/x
  3. Step 3: Cross multiply
    1,080,349.60x = 1,619,533.68 × 415,000.48
  4. Step 4: Simplify right side
    1,080,349.60x = 672,107,254,576.17
  5. Step 5: Solve for x
    x = 672,107,254,576.17/1,080,349.60
  6. Step 6: Final answer
    x = 622,120.15

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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.