Home / 1,096,877.78-1,645,149.74-422,860.71

Finding the Fourth Proportional to 1,096,877.78, 1,645,149.74 and 422,860.71

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Solution

The fourth proportional to 1,096,877.78, 1,645,149.74 and 422,860.71 is: 634,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,877.78 : 1,645,149.74 = 422,860.71 : x
  2. Step 2: Convert to fraction form
    1,096,877.78/1,645,149.74 = 422,860.71/x
  3. Step 3: Cross multiply
    1,096,877.78x = 1,645,149.74 × 422,860.71
  4. Step 4: Simplify right side
    1,096,877.78x = 695,669,184,998.41
  5. Step 5: Solve for x
    x = 695,669,184,998.41/1,096,877.78
  6. Step 6: Final answer
    x = 634,226.71

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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.