Home / 1,173,459.19-1,619,317.68-720,662.71

Finding the Fourth Proportional to 1,173,459.19, 1,619,317.68 and 720,662.71

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Solution

The fourth proportional to 1,173,459.19, 1,619,317.68 and 720,662.71 is: 994,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,459.19 : 1,619,317.68 = 720,662.71 : x
  2. Step 2: Convert to fraction form
    1,173,459.19/1,619,317.68 = 720,662.71/x
  3. Step 3: Cross multiply
    1,173,459.19x = 1,619,317.68 × 720,662.71
  4. Step 4: Simplify right side
    1,173,459.19x = 1,166,981,867,619.71
  5. Step 5: Solve for x
    x = 1,166,981,867,619.71/1,173,459.19
  6. Step 6: Final answer
    x = 994,480.15

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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.