Home / 1,349,180.43-1,862,199.63-768,745.77

Finding the Fourth Proportional to 1,349,180.43, 1,862,199.63 and 768,745.77

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Solution

The fourth proportional to 1,349,180.43, 1,862,199.63 and 768,745.77 is: 1,061,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,180.43 : 1,862,199.63 = 768,745.77 : x
  2. Step 2: Convert to fraction form
    1,349,180.43/1,862,199.63 = 768,745.77/x
  3. Step 3: Cross multiply
    1,349,180.43x = 1,862,199.63 × 768,745.77
  4. Step 4: Simplify right side
    1,349,180.43x = 1,431,558,088,458.07
  5. Step 5: Solve for x
    x = 1,431,558,088,458.07/1,349,180.43
  6. Step 6: Final answer
    x = 1,061,057.56

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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.