Home / 1,282,310.53-1,769,589.80-709,389.43

Finding the Fourth Proportional to 1,282,310.53, 1,769,589.80 and 709,389.43

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Solution

The fourth proportional to 1,282,310.53, 1,769,589.80 and 709,389.43 is: 978,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,310.53 : 1,769,589.80 = 709,389.43 : x
  2. Step 2: Convert to fraction form
    1,282,310.53/1,769,589.80 = 709,389.43/x
  3. Step 3: Cross multiply
    1,282,310.53x = 1,769,589.80 × 709,389.43
  4. Step 4: Simplify right side
    1,282,310.53x = 1,255,328,299,555.81
  5. Step 5: Solve for x
    x = 1,255,328,299,555.81/1,282,310.53
  6. Step 6: Final answer
    x = 978,958.12

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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.