Home / 1,295,523.47-1,786,896.83-1,123,133.20

Finding the Fourth Proportional to 1,295,523.47, 1,786,896.83 and 1,123,133.20

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Solution

The fourth proportional to 1,295,523.47, 1,786,896.83 and 1,123,133.20 is: 1,549,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,523.47 : 1,786,896.83 = 1,123,133.20 : x
  2. Step 2: Convert to fraction form
    1,295,523.47/1,786,896.83 = 1,123,133.20/x
  3. Step 3: Cross multiply
    1,295,523.47x = 1,786,896.83 × 1,123,133.20
  4. Step 4: Simplify right side
    1,295,523.47x = 2,006,923,153,088.35
  5. Step 5: Solve for x
    x = 2,006,923,153,088.35/1,295,523.47
  6. Step 6: Final answer
    x = 1,549,121.41

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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.