Home / 1,252,837.42-1,728,916.77-679,877.60

Finding the Fourth Proportional to 1,252,837.42, 1,728,916.77 and 679,877.60

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Solution

The fourth proportional to 1,252,837.42, 1,728,916.77 and 679,877.60 is: 938,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,837.42 : 1,728,916.77 = 679,877.60 : x
  2. Step 2: Convert to fraction form
    1,252,837.42/1,728,916.77 = 679,877.60/x
  3. Step 3: Cross multiply
    1,252,837.42x = 1,728,916.77 × 679,877.60
  4. Step 4: Simplify right side
    1,252,837.42x = 1,175,451,784,187.35
  5. Step 5: Solve for x
    x = 1,175,451,784,187.35/1,252,837.42
  6. Step 6: Final answer
    x = 938,231.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.