Home / 1,189,735.14-1,784,602.64-348,286.88

Finding the Fourth Proportional to 1,189,735.14, 1,784,602.64 and 348,286.88

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Solution

The fourth proportional to 1,189,735.14, 1,784,602.64 and 348,286.88 is: 522,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,735.14 : 1,784,602.64 = 348,286.88 : x
  2. Step 2: Convert to fraction form
    1,189,735.14/1,784,602.64 = 348,286.88/x
  3. Step 3: Cross multiply
    1,189,735.14x = 1,784,602.64 × 348,286.88
  4. Step 4: Simplify right side
    1,189,735.14x = 621,553,685,525.36
  5. Step 5: Solve for x
    x = 621,553,685,525.36/1,189,735.14
  6. Step 6: Final answer
    x = 522,430.30

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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.