Home / 1,286,692.46-1,930,055.12-340,055

Finding the Fourth Proportional to 1,286,692.46, 1,930,055.12 and 340,055

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Solution

The fourth proportional to 1,286,692.46, 1,930,055.12 and 340,055 is: 510,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,692.46 : 1,930,055.12 = 340,055 : x
  2. Step 2: Convert to fraction form
    1,286,692.46/1,930,055.12 = 340,055/x
  3. Step 3: Cross multiply
    1,286,692.46x = 1,930,055.12 × 340,055
  4. Step 4: Simplify right side
    1,286,692.46x = 656,324,893,831.60
  5. Step 5: Solve for x
    x = 656,324,893,831.60/1,286,692.46
  6. Step 6: Final answer
    x = 510,086.84

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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.