Home / 1,272,505.47-1,756,091.06-699,560.07

Finding the Fourth Proportional to 1,272,505.47, 1,756,091.06 and 699,560.07

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Solution

The fourth proportional to 1,272,505.47, 1,756,091.06 and 699,560.07 is: 965,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,505.47 : 1,756,091.06 = 699,560.07 : x
  2. Step 2: Convert to fraction form
    1,272,505.47/1,756,091.06 = 699,560.07/x
  3. Step 3: Cross multiply
    1,272,505.47x = 1,756,091.06 × 699,560.07
  4. Step 4: Simplify right side
    1,272,505.47x = 1,228,491,184,859.97
  5. Step 5: Solve for x
    x = 1,228,491,184,859.97/1,272,505.47
  6. Step 6: Final answer
    x = 965,411.32

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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.