Home / 1,310,714.33-1,808,670.44-729,893.57

Finding the Fourth Proportional to 1,310,714.33, 1,808,670.44 and 729,893.57

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Solution

The fourth proportional to 1,310,714.33, 1,808,670.44 and 729,893.57 is: 1,007,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,714.33 : 1,808,670.44 = 729,893.57 : x
  2. Step 2: Convert to fraction form
    1,310,714.33/1,808,670.44 = 729,893.57/x
  3. Step 3: Cross multiply
    1,310,714.33x = 1,808,670.44 × 729,893.57
  4. Step 4: Simplify right side
    1,310,714.33x = 1,320,136,911,712.25
  5. Step 5: Solve for x
    x = 1,320,136,911,712.25/1,310,714.33
  6. Step 6: Final answer
    x = 1,007,188.89

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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.