Home / 1,065,243.30-1,595,791.35-643,265.70

Finding the Fourth Proportional to 1,065,243.30, 1,595,791.35 and 643,265.70

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Solution

The fourth proportional to 1,065,243.30, 1,595,791.35 and 643,265.70 is: 963,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,243.30 : 1,595,791.35 = 643,265.70 : x
  2. Step 2: Convert to fraction form
    1,065,243.30/1,595,791.35 = 643,265.70/x
  3. Step 3: Cross multiply
    1,065,243.30x = 1,595,791.35 × 643,265.70
  4. Step 4: Simplify right side
    1,065,243.30x = 1,026,517,839,811.70
  5. Step 5: Solve for x
    x = 1,026,517,839,811.70/1,065,243.30
  6. Step 6: Final answer
    x = 963,646.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.