Home / 1,293,331.28-1,784,614.32-734,506.64

Finding the Fourth Proportional to 1,293,331.28, 1,784,614.32 and 734,506.64

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Solution

The fourth proportional to 1,293,331.28, 1,784,614.32 and 734,506.64 is: 1,013,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,331.28 : 1,784,614.32 = 734,506.64 : x
  2. Step 2: Convert to fraction form
    1,293,331.28/1,784,614.32 = 734,506.64/x
  3. Step 3: Cross multiply
    1,293,331.28x = 1,784,614.32 × 734,506.64
  4. Step 4: Simplify right side
    1,293,331.28x = 1,310,811,067,879.09
  5. Step 5: Solve for x
    x = 1,310,811,067,879.09/1,293,331.28
  6. Step 6: Final answer
    x = 1,013,515.32

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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.