Home / 1,687,335.60-2,531,019.78-425,163.22

Finding the Fourth Proportional to 1,687,335.60, 2,531,019.78 and 425,163.22

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Solution

The fourth proportional to 1,687,335.60, 2,531,019.78 and 425,163.22 is: 637,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,335.60 : 2,531,019.78 = 425,163.22 : x
  2. Step 2: Convert to fraction form
    1,687,335.60/2,531,019.78 = 425,163.22/x
  3. Step 3: Cross multiply
    1,687,335.60x = 2,531,019.78 × 425,163.22
  4. Step 4: Simplify right side
    1,687,335.60x = 1,076,096,519,548.49
  5. Step 5: Solve for x
    x = 1,076,096,519,548.49/1,687,335.60
  6. Step 6: Final answer
    x = 637,748.96

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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.