Home / 1,199,515.72-1,798,384.74-726,089.08

Finding the Fourth Proportional to 1,199,515.72, 1,798,384.74 and 726,089.08

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Solution

The fourth proportional to 1,199,515.72, 1,798,384.74 and 726,089.08 is: 1,088,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,515.72 : 1,798,384.74 = 726,089.08 : x
  2. Step 2: Convert to fraction form
    1,199,515.72/1,798,384.74 = 726,089.08/x
  3. Step 3: Cross multiply
    1,199,515.72x = 1,798,384.74 × 726,089.08
  4. Step 4: Simplify right side
    1,199,515.72x = 1,305,787,521,352.64
  5. Step 5: Solve for x
    x = 1,305,787,521,352.64/1,199,515.72
  6. Step 6: Final answer
    x = 1,088,595.59

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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.