Home / 1,339,305.88-1,847,718.66-766,039.72

Finding the Fourth Proportional to 1,339,305.88, 1,847,718.66 and 766,039.72

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Solution

The fourth proportional to 1,339,305.88, 1,847,718.66 and 766,039.72 is: 1,056,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,305.88 : 1,847,718.66 = 766,039.72 : x
  2. Step 2: Convert to fraction form
    1,339,305.88/1,847,718.66 = 766,039.72/x
  3. Step 3: Cross multiply
    1,339,305.88x = 1,847,718.66 × 766,039.72
  4. Step 4: Simplify right side
    1,339,305.88x = 1,415,425,884,945.18
  5. Step 5: Solve for x
    x = 1,415,425,884,945.18/1,339,305.88
  6. Step 6: Final answer
    x = 1,056,835.41

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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.