Home / 1,283,418.91-1,771,118.63-702,679.69

Finding the Fourth Proportional to 1,283,418.91, 1,771,118.63 and 702,679.69

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Solution

The fourth proportional to 1,283,418.91, 1,771,118.63 and 702,679.69 is: 969,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,418.91 : 1,771,118.63 = 702,679.69 : x
  2. Step 2: Convert to fraction form
    1,283,418.91/1,771,118.63 = 702,679.69/x
  3. Step 3: Cross multiply
    1,283,418.91x = 1,771,118.63 × 702,679.69
  4. Step 4: Simplify right side
    1,283,418.91x = 1,244,529,089,881.62
  5. Step 5: Solve for x
    x = 1,244,529,089,881.62/1,283,418.91
  6. Step 6: Final answer
    x = 969,698.26

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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.