Home / 1,424,120.13-1,965,286.40-779,544

Finding the Fourth Proportional to 1,424,120.13, 1,965,286.40 and 779,544

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Solution

The fourth proportional to 1,424,120.13, 1,965,286.40 and 779,544 is: 1,075,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,120.13 : 1,965,286.40 = 779,544 : x
  2. Step 2: Convert to fraction form
    1,424,120.13/1,965,286.40 = 779,544/x
  3. Step 3: Cross multiply
    1,424,120.13x = 1,965,286.40 × 779,544
  4. Step 4: Simplify right side
    1,424,120.13x = 1,532,027,217,503.88
  5. Step 5: Solve for x
    x = 1,532,027,217,503.88/1,424,120.13
  6. Step 6: Final answer
    x = 1,075,771.06

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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.