Home / 1,405,086.64-2,107,635.36-340,126.90

Finding the Fourth Proportional to 1,405,086.64, 2,107,635.36 and 340,126.90

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Solution

The fourth proportional to 1,405,086.64, 2,107,635.36 and 340,126.90 is: 510,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,086.64 : 2,107,635.36 = 340,126.90 : x
  2. Step 2: Convert to fraction form
    1,405,086.64/2,107,635.36 = 340,126.90/x
  3. Step 3: Cross multiply
    1,405,086.64x = 2,107,635.36 × 340,126.90
  4. Step 4: Simplify right side
    1,405,086.64x = 716,863,481,327.18
  5. Step 5: Solve for x
    x = 716,863,481,327.18/1,405,086.64
  6. Step 6: Final answer
    x = 510,191.66

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1.5x scale

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.