Home / 1,263,406.41-1,743,501.51-690,446.50

Finding the Fourth Proportional to 1,263,406.41, 1,743,501.51 and 690,446.50

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Solution

The fourth proportional to 1,263,406.41, 1,743,501.51 and 690,446.50 is: 952,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,406.41 : 1,743,501.51 = 690,446.50 : x
  2. Step 2: Convert to fraction form
    1,263,406.41/1,743,501.51 = 690,446.50/x
  3. Step 3: Cross multiply
    1,263,406.41x = 1,743,501.51 × 690,446.50
  4. Step 4: Simplify right side
    1,263,406.41x = 1,203,794,510,965.46
  5. Step 5: Solve for x
    x = 1,203,794,510,965.46/1,263,406.41
  6. Step 6: Final answer
    x = 952,816.53

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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.