Home / 1,416,604.88-2,126,153.88-743,167.40

Finding the Fourth Proportional to 1,416,604.88, 2,126,153.88 and 743,167.40

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Solution

The fourth proportional to 1,416,604.88, 2,126,153.88 and 743,167.40 is: 1,115,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,604.88 : 2,126,153.88 = 743,167.40 : x
  2. Step 2: Convert to fraction form
    1,416,604.88/2,126,153.88 = 743,167.40/x
  3. Step 3: Cross multiply
    1,416,604.88x = 2,126,153.88 × 743,167.40
  4. Step 4: Simplify right side
    1,416,604.88x = 1,580,088,250,999.51
  5. Step 5: Solve for x
    x = 1,580,088,250,999.51/1,416,604.88
  6. Step 6: Final answer
    x = 1,115,405.06

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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.