Home / 1,369,230.76-1,889,515.14-757,383.04

Finding the Fourth Proportional to 1,369,230.76, 1,889,515.14 and 757,383.04

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Solution

The fourth proportional to 1,369,230.76, 1,889,515.14 and 757,383.04 is: 1,045,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,230.76 : 1,889,515.14 = 757,383.04 : x
  2. Step 2: Convert to fraction form
    1,369,230.76/1,889,515.14 = 757,383.04/x
  3. Step 3: Cross multiply
    1,369,230.76x = 1,889,515.14 × 757,383.04
  4. Step 4: Simplify right side
    1,369,230.76x = 1,431,086,720,859.23
  5. Step 5: Solve for x
    x = 1,431,086,720,859.23/1,369,230.76
  6. Step 6: Final answer
    x = 1,045,175.70

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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.