Home / 1,036,645.18-1,431,299.77-727,205.64

Finding the Fourth Proportional to 1,036,645.18, 1,431,299.77 and 727,205.64

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Solution

The fourth proportional to 1,036,645.18, 1,431,299.77 and 727,205.64 is: 1,004,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,645.18 : 1,431,299.77 = 727,205.64 : x
  2. Step 2: Convert to fraction form
    1,036,645.18/1,431,299.77 = 727,205.64/x
  3. Step 3: Cross multiply
    1,036,645.18x = 1,431,299.77 × 727,205.64
  4. Step 4: Simplify right side
    1,036,645.18x = 1,040,849,265,274.70
  5. Step 5: Solve for x
    x = 1,040,849,265,274.70/1,036,645.18
  6. Step 6: Final answer
    x = 1,004,055.47

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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.