Home / 1,431,126.92-1,974,166.26-1,162,388.36

Finding the Fourth Proportional to 1,431,126.92, 1,974,166.26 and 1,162,388.36

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Solution

The fourth proportional to 1,431,126.92, 1,974,166.26 and 1,162,388.36 is: 1,603,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,126.92 : 1,974,166.26 = 1,162,388.36 : x
  2. Step 2: Convert to fraction form
    1,431,126.92/1,974,166.26 = 1,162,388.36/x
  3. Step 3: Cross multiply
    1,431,126.92x = 1,974,166.26 × 1,162,388.36
  4. Step 4: Simplify right side
    1,431,126.92x = 2,294,747,881,328.73
  5. Step 5: Solve for x
    x = 2,294,747,881,328.73/1,431,126.92
  6. Step 6: Final answer
    x = 1,603,455.19

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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.