Home / 1,036,628.18-1,431,276.31-727,188.64

Finding the Fourth Proportional to 1,036,628.18, 1,431,276.31 and 727,188.64

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Solution

The fourth proportional to 1,036,628.18, 1,431,276.31 and 727,188.64 is: 1,004,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,628.18 : 1,431,276.31 = 727,188.64 : x
  2. Step 2: Convert to fraction form
    1,036,628.18/1,431,276.31 = 727,188.64/x
  3. Step 3: Cross multiply
    1,036,628.18x = 1,431,276.31 × 727,188.64
  4. Step 4: Simplify right side
    1,036,628.18x = 1,040,807,873,333.12
  5. Step 5: Solve for x
    x = 1,040,807,873,333.12/1,036,628.18
  6. Step 6: Final answer
    x = 1,004,032.01

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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.