Home / 1,376,993.84-1,900,213.73-765,130.89

Finding the Fourth Proportional to 1,376,993.84, 1,900,213.73 and 765,130.89

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Solution

The fourth proportional to 1,376,993.84, 1,900,213.73 and 765,130.89 is: 1,055,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,993.84 : 1,900,213.73 = 765,130.89 : x
  2. Step 2: Convert to fraction form
    1,376,993.84/1,900,213.73 = 765,130.89/x
  3. Step 3: Cross multiply
    1,376,993.84x = 1,900,213.73 × 765,130.89
  4. Step 4: Simplify right side
    1,376,993.84x = 1,453,912,232,898.37
  5. Step 5: Solve for x
    x = 1,453,912,232,898.37/1,376,993.84
  6. Step 6: Final answer
    x = 1,055,859.65

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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.