Home / 917,755.36-1,266,537.93-627,974.36

Finding the Fourth Proportional to 917,755.36, 1,266,537.93 and 627,974.36

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Solution

The fourth proportional to 917,755.36, 1,266,537.93 and 627,974.36 is: 866,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,755.36 : 1,266,537.93 = 627,974.36 : x
  2. Step 2: Convert to fraction form
    917,755.36/1,266,537.93 = 627,974.36/x
  3. Step 3: Cross multiply
    917,755.36x = 1,266,537.93 × 627,974.36
  4. Step 4: Simplify right side
    917,755.36x = 795,353,346,007.48
  5. Step 5: Solve for x
    x = 795,353,346,007.48/917,755.36
  6. Step 6: Final answer
    x = 866,628.93

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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.