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Finding the Fourth Proportional to 1,109,945.03, 1,531,724.12 and 600,647.41

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Solution

The fourth proportional to 1,109,945.03, 1,531,724.12 and 600,647.41 is: 828,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,945.03 : 1,531,724.12 = 600,647.41 : x
  2. Step 2: Convert to fraction form
    1,109,945.03/1,531,724.12 = 600,647.41/x
  3. Step 3: Cross multiply
    1,109,945.03x = 1,531,724.12 × 600,647.41
  4. Step 4: Simplify right side
    1,109,945.03x = 920,026,118,679.98
  5. Step 5: Solve for x
    x = 920,026,118,679.98/1,109,945.03
  6. Step 6: Final answer
    x = 828,893.41

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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.