Home / 1,335,221.64-2,002,615.38-436,649.76

Finding the Fourth Proportional to 1,335,221.64, 2,002,615.38 and 436,649.76

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Solution

The fourth proportional to 1,335,221.64, 2,002,615.38 and 436,649.76 is: 654,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,221.64 : 2,002,615.38 = 436,649.76 : x
  2. Step 2: Convert to fraction form
    1,335,221.64/2,002,615.38 = 436,649.76/x
  3. Step 3: Cross multiply
    1,335,221.64x = 2,002,615.38 × 436,649.76
  4. Step 4: Simplify right side
    1,335,221.64x = 874,441,525,049.31
  5. Step 5: Solve for x
    x = 874,441,525,049.31/1,335,221.64
  6. Step 6: Final answer
    x = 654,903.65

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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.