Home / 1,301,184.64-1,795,643.94-728,278.12

Finding the Fourth Proportional to 1,301,184.64, 1,795,643.94 and 728,278.12

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Solution

The fourth proportional to 1,301,184.64, 1,795,643.94 and 728,278.12 is: 1,005,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,184.64 : 1,795,643.94 = 728,278.12 : x
  2. Step 2: Convert to fraction form
    1,301,184.64/1,795,643.94 = 728,278.12/x
  3. Step 3: Cross multiply
    1,301,184.64x = 1,795,643.94 × 728,278.12
  4. Step 4: Simplify right side
    1,301,184.64x = 1,307,728,192,812.59
  5. Step 5: Solve for x
    x = 1,307,728,192,812.59/1,301,184.64
  6. Step 6: Final answer
    x = 1,005,028.92

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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.