Home / 1,340,089.52-2,009,245.59-487,059.89

Finding the Fourth Proportional to 1,340,089.52, 2,009,245.59 and 487,059.89

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Solution

The fourth proportional to 1,340,089.52, 2,009,245.59 and 487,059.89 is: 730,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,089.52 : 2,009,245.59 = 487,059.89 : x
  2. Step 2: Convert to fraction form
    1,340,089.52/2,009,245.59 = 487,059.89/x
  3. Step 3: Cross multiply
    1,340,089.52x = 2,009,245.59 × 487,059.89
  4. Step 4: Simplify right side
    1,340,089.52x = 978,622,926,002.16
  5. Step 5: Solve for x
    x = 978,622,926,002.16/1,340,089.52
  6. Step 6: Final answer
    x = 730,266.83

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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.