Home / 1,025,485.73-1,415,205.29-643,723.01

Finding the Fourth Proportional to 1,025,485.73, 1,415,205.29 and 643,723.01

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Solution

The fourth proportional to 1,025,485.73, 1,415,205.29 and 643,723.01 is: 888,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,485.73 : 1,415,205.29 = 643,723.01 : x
  2. Step 2: Convert to fraction form
    1,025,485.73/1,415,205.29 = 643,723.01/x
  3. Step 3: Cross multiply
    1,025,485.73x = 1,415,205.29 × 643,723.01
  4. Step 4: Simplify right side
    1,025,485.73x = 911,000,203,580.00
  5. Step 5: Solve for x
    x = 911,000,203,580.00/1,025,485.73
  6. Step 6: Final answer
    x = 888,359.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.