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Finding the Fourth Proportional to 1,788,611.74, 2,468,282.43 and 1,024,668.34

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Solution

The fourth proportional to 1,788,611.74, 2,468,282.43 and 1,024,668.34 is: 1,414,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,611.74 : 2,468,282.43 = 1,024,668.34 : x
  2. Step 2: Convert to fraction form
    1,788,611.74/2,468,282.43 = 1,024,668.34/x
  3. Step 3: Cross multiply
    1,788,611.74x = 2,468,282.43 × 1,024,668.34
  4. Step 4: Simplify right side
    1,788,611.74x = 2,529,170,860,199.27
  5. Step 5: Solve for x
    x = 2,529,170,860,199.27/1,788,611.74
  6. Step 6: Final answer
    x = 1,414,041.29

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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.