Home / 1,096,878.78-1,645,151.23-422,861.71

Finding the Fourth Proportional to 1,096,878.78, 1,645,151.23 and 422,861.71

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Solution

The fourth proportional to 1,096,878.78, 1,645,151.23 and 422,861.71 is: 634,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,878.78 : 1,645,151.23 = 422,861.71 : x
  2. Step 2: Convert to fraction form
    1,096,878.78/1,645,151.23 = 422,861.71/x
  3. Step 3: Cross multiply
    1,096,878.78x = 1,645,151.23 × 422,861.71
  4. Step 4: Simplify right side
    1,096,878.78x = 695,671,462,326.40
  5. Step 5: Solve for x
    x = 695,671,462,326.40/1,096,878.78
  6. Step 6: Final answer
    x = 634,228.21

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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.