Home / 1,007,607.89-1,511,895.71-628,431.29

Finding the Fourth Proportional to 1,007,607.89, 1,511,895.71 and 628,431.29

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Solution

The fourth proportional to 1,007,607.89, 1,511,895.71 and 628,431.29 is: 942,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,607.89 : 1,511,895.71 = 628,431.29 : x
  2. Step 2: Convert to fraction form
    1,007,607.89/1,511,895.71 = 628,431.29/x
  3. Step 3: Cross multiply
    1,007,607.89x = 1,511,895.71 × 628,431.29
  4. Step 4: Simplify right side
    1,007,607.89x = 950,122,560,679.13
  5. Step 5: Solve for x
    x = 950,122,560,679.13/1,007,607.89
  6. Step 6: Final answer
    x = 942,948.72

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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.