Home / 1,669,744.90-2,501,278.50-769,954.78

Finding the Fourth Proportional to 1,669,744.90, 2,501,278.50 and 769,954.78

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Solution

The fourth proportional to 1,669,744.90, 2,501,278.50 and 769,954.78 is: 1,153,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,744.90 : 2,501,278.50 = 769,954.78 : x
  2. Step 2: Convert to fraction form
    1,669,744.90/2,501,278.50 = 769,954.78/x
  3. Step 3: Cross multiply
    1,669,744.90x = 2,501,278.50 × 769,954.78
  4. Step 4: Simplify right side
    1,669,744.90x = 1,925,871,337,186.23
  5. Step 5: Solve for x
    x = 1,925,871,337,186.23/1,669,744.90
  6. Step 6: Final answer
    x = 1,153,392.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.