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Finding the Fourth Proportional to 1,048,007, 1,446,181.62 and 618,188.60

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Solution

The fourth proportional to 1,048,007, 1,446,181.62 and 618,188.60 is: 853,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,007 : 1,446,181.62 = 618,188.60 : x
  2. Step 2: Convert to fraction form
    1,048,007/1,446,181.62 = 618,188.60/x
  3. Step 3: Cross multiply
    1,048,007x = 1,446,181.62 × 618,188.60
  4. Step 4: Simplify right side
    1,048,007x = 894,012,991,013.53
  5. Step 5: Solve for x
    x = 894,012,991,013.53/1,048,007
  6. Step 6: Final answer
    x = 853,060.13

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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.