Home / 1,820,135.16-2,729,036.34-755,911.80

Finding the Fourth Proportional to 1,820,135.16, 2,729,036.34 and 755,911.80

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Solution

The fourth proportional to 1,820,135.16, 2,729,036.34 and 755,911.80 is: 1,133,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,135.16 : 2,729,036.34 = 755,911.80 : x
  2. Step 2: Convert to fraction form
    1,820,135.16/2,729,036.34 = 755,911.80/x
  3. Step 3: Cross multiply
    1,820,135.16x = 2,729,036.34 × 755,911.80
  4. Step 4: Simplify right side
    1,820,135.16x = 2,062,910,772,034.81
  5. Step 5: Solve for x
    x = 2,062,910,772,034.81/1,820,135.16
  6. Step 6: Final answer
    x = 1,133,383.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.