Home / 1,340,313.80-2,009,340.24-581,584.78

Finding the Fourth Proportional to 1,340,313.80, 2,009,340.24 and 581,584.78

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Solution

The fourth proportional to 1,340,313.80, 2,009,340.24 and 581,584.78 is: 871,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,313.80 : 2,009,340.24 = 581,584.78 : x
  2. Step 2: Convert to fraction form
    1,340,313.80/2,009,340.24 = 581,584.78/x
  3. Step 3: Cross multiply
    1,340,313.80x = 2,009,340.24 × 581,584.78
  4. Step 4: Simplify right side
    1,340,313.80x = 1,168,601,701,425.55
  5. Step 5: Solve for x
    x = 1,168,601,701,425.55/1,340,313.80
  6. Step 6: Final answer
    x = 871,886.64

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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.