Home / 1,019,867.60-1,529,897.34-300,209.78

Finding the Fourth Proportional to 1,019,867.60, 1,529,897.34 and 300,209.78

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Solution

The fourth proportional to 1,019,867.60, 1,529,897.34 and 300,209.78 is: 450,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,867.60 : 1,529,897.34 = 300,209.78 : x
  2. Step 2: Convert to fraction form
    1,019,867.60/1,529,897.34 = 300,209.78/x
  3. Step 3: Cross multiply
    1,019,867.60x = 1,529,897.34 × 300,209.78
  4. Step 4: Simplify right side
    1,019,867.60x = 459,290,143,863.99
  5. Step 5: Solve for x
    x = 459,290,143,863.99/1,019,867.60
  6. Step 6: Final answer
    x = 450,342.91

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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.