Home / 1,036,669.18-1,431,332.89-727,229.64

Finding the Fourth Proportional to 1,036,669.18, 1,431,332.89 and 727,229.64

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Solution

The fourth proportional to 1,036,669.18, 1,431,332.89 and 727,229.64 is: 1,004,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,669.18 : 1,431,332.89 = 727,229.64 : x
  2. Step 2: Convert to fraction form
    1,036,669.18/1,431,332.89 = 727,229.64/x
  3. Step 3: Cross multiply
    1,036,669.18x = 1,431,332.89 × 727,229.64
  4. Step 4: Simplify right side
    1,036,669.18x = 1,040,907,702,314.86
  5. Step 5: Solve for x
    x = 1,040,907,702,314.86/1,036,669.18
  6. Step 6: Final answer
    x = 1,004,088.60

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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.