Home / 1,138,632.99-1,571,286.16-622,363.69

Finding the Fourth Proportional to 1,138,632.99, 1,571,286.16 and 622,363.69

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Solution

The fourth proportional to 1,138,632.99, 1,571,286.16 and 622,363.69 is: 858,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,632.99 : 1,571,286.16 = 622,363.69 : x
  2. Step 2: Convert to fraction form
    1,138,632.99/1,571,286.16 = 622,363.69/x
  3. Step 3: Cross multiply
    1,138,632.99x = 1,571,286.16 × 622,363.69
  4. Step 4: Simplify right side
    1,138,632.99x = 977,911,452,583.53
  5. Step 5: Solve for x
    x = 977,911,452,583.53/1,138,632.99
  6. Step 6: Final answer
    x = 858,846.93

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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.