Home / 1,263,393.80-1,743,488-690,434.24

Finding the Fourth Proportional to 1,263,393.80, 1,743,488 and 690,434.24

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Solution

The fourth proportional to 1,263,393.80, 1,743,488 and 690,434.24 is: 952,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,393.80 : 1,743,488 = 690,434.24 : x
  2. Step 2: Convert to fraction form
    1,263,393.80/1,743,488 = 690,434.24/x
  3. Step 3: Cross multiply
    1,263,393.80x = 1,743,488 × 690,434.24
  4. Step 4: Simplify right side
    1,263,393.80x = 1,203,763,812,229.12
  5. Step 5: Solve for x
    x = 1,203,763,812,229.12/1,263,393.80
  6. Step 6: Final answer
    x = 952,801.74

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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.