Home / 1,369,549.97-1,890,019.01-749,392.37

Finding the Fourth Proportional to 1,369,549.97, 1,890,019.01 and 749,392.37

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Solution

The fourth proportional to 1,369,549.97, 1,890,019.01 and 749,392.37 is: 1,034,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,549.97 : 1,890,019.01 = 749,392.37 : x
  2. Step 2: Convert to fraction form
    1,369,549.97/1,890,019.01 = 749,392.37/x
  3. Step 3: Cross multiply
    1,369,549.97x = 1,890,019.01 × 749,392.37
  4. Step 4: Simplify right side
    1,369,549.97x = 1,416,365,825,248.95
  5. Step 5: Solve for x
    x = 1,416,365,825,248.95/1,369,549.97
  6. Step 6: Final answer
    x = 1,034,183.39

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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.