Home / 1,431,033.48-1,972,745.82-999,975.24

Finding the Fourth Proportional to 1,431,033.48, 1,972,745.82 and 999,975.24

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Solution

The fourth proportional to 1,431,033.48, 1,972,745.82 and 999,975.24 is: 1,378,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,033.48 : 1,972,745.82 = 999,975.24 : x
  2. Step 2: Convert to fraction form
    1,431,033.48/1,972,745.82 = 999,975.24/x
  3. Step 3: Cross multiply
    1,431,033.48x = 1,972,745.82 × 999,975.24
  4. Step 4: Simplify right side
    1,431,033.48x = 1,972,696,974,813.50
  5. Step 5: Solve for x
    x = 1,972,696,974,813.50/1,431,033.48
  6. Step 6: Final answer
    x = 1,378,512.10

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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.