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Finding the Fourth Proportional to 1,347,959, 1,860,185.04 and 744,347

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Solution

The fourth proportional to 1,347,959, 1,860,185.04 and 744,347 is: 1,027,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,959 : 1,860,185.04 = 744,347 : x
  2. Step 2: Convert to fraction form
    1,347,959/1,860,185.04 = 744,347/x
  3. Step 3: Cross multiply
    1,347,959x = 1,860,185.04 × 744,347
  4. Step 4: Simplify right side
    1,347,959x = 1,384,623,153,968.88
  5. Step 5: Solve for x
    x = 1,384,623,153,968.88/1,347,959
  6. Step 6: Final answer
    x = 1,027,199.75

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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.