Home / 1,365,639.87-1,884,583.13-753,792.79

Finding the Fourth Proportional to 1,365,639.87, 1,884,583.13 and 753,792.79

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Solution

The fourth proportional to 1,365,639.87, 1,884,583.13 and 753,792.79 is: 1,040,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,639.87 : 1,884,583.13 = 753,792.79 : x
  2. Step 2: Convert to fraction form
    1,365,639.87/1,884,583.13 = 753,792.79/x
  3. Step 3: Cross multiply
    1,365,639.87x = 1,884,583.13 × 753,792.79
  4. Step 4: Simplify right side
    1,365,639.87x = 1,420,585,166,126.72
  5. Step 5: Solve for x
    x = 1,420,585,166,126.72/1,365,639.87
  6. Step 6: Final answer
    x = 1,040,234.10

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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.