Home / 1,330,690.82-1,836,351.53-757,731

Finding the Fourth Proportional to 1,330,690.82, 1,836,351.53 and 757,731

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Solution

The fourth proportional to 1,330,690.82, 1,836,351.53 and 757,731 is: 1,045,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,690.82 : 1,836,351.53 = 757,731 : x
  2. Step 2: Convert to fraction form
    1,330,690.82/1,836,351.53 = 757,731/x
  3. Step 3: Cross multiply
    1,330,690.82x = 1,836,351.53 × 757,731
  4. Step 4: Simplify right side
    1,330,690.82x = 1,391,460,481,178.43
  5. Step 5: Solve for x
    x = 1,391,460,481,178.43/1,330,690.82
  6. Step 6: Final answer
    x = 1,045,667.75

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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.