Home / 1,427,142.78-1,967,551.80-1,133,765.93

Finding the Fourth Proportional to 1,427,142.78, 1,967,551.80 and 1,133,765.93

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Solution

The fourth proportional to 1,427,142.78, 1,967,551.80 and 1,133,765.93 is: 1,563,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,142.78 : 1,967,551.80 = 1,133,765.93 : x
  2. Step 2: Convert to fraction form
    1,427,142.78/1,967,551.80 = 1,133,765.93/x
  3. Step 3: Cross multiply
    1,427,142.78x = 1,967,551.80 × 1,133,765.93
  4. Step 4: Simplify right side
    1,427,142.78x = 2,230,743,196,350.17
  5. Step 5: Solve for x
    x = 2,230,743,196,350.17/1,427,142.78
  6. Step 6: Final answer
    x = 1,563,083.41

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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.