Home / 1,019,808.28-1,407,338.24-560,969.86

Finding the Fourth Proportional to 1,019,808.28, 1,407,338.24 and 560,969.86

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Solution

The fourth proportional to 1,019,808.28, 1,407,338.24 and 560,969.86 is: 774,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,808.28 : 1,407,338.24 = 560,969.86 : x
  2. Step 2: Convert to fraction form
    1,019,808.28/1,407,338.24 = 560,969.86/x
  3. Step 3: Cross multiply
    1,019,808.28x = 1,407,338.24 × 560,969.86
  4. Step 4: Simplify right side
    1,019,808.28x = 789,474,325,623.91
  5. Step 5: Solve for x
    x = 789,474,325,623.91/1,019,808.28
  6. Step 6: Final answer
    x = 774,139.95

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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.