Home / 1,263,423.52-1,743,644.68-690,549.81

Finding the Fourth Proportional to 1,263,423.52, 1,743,644.68 and 690,549.81

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Solution

The fourth proportional to 1,263,423.52, 1,743,644.68 and 690,549.81 is: 953,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,423.52 : 1,743,644.68 = 690,549.81 : x
  2. Step 2: Convert to fraction form
    1,263,423.52/1,743,644.68 = 690,549.81/x
  3. Step 3: Cross multiply
    1,263,423.52x = 1,743,644.68 × 690,549.81
  4. Step 4: Simplify right side
    1,263,423.52x = 1,204,073,494,216.47
  5. Step 5: Solve for x
    x = 1,204,073,494,216.47/1,263,423.52
  6. Step 6: Final answer
    x = 953,024.44

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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.