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Finding the Fourth Proportional to 1,123,762, 1,685,644.62 and 458,914

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Solution

The fourth proportional to 1,123,762, 1,685,644.62 and 458,914 is: 688,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,762 : 1,685,644.62 = 458,914 : x
  2. Step 2: Convert to fraction form
    1,123,762/1,685,644.62 = 458,914/x
  3. Step 3: Cross multiply
    1,123,762x = 1,685,644.62 × 458,914
  4. Step 4: Simplify right side
    1,123,762x = 773,565,915,142.68
  5. Step 5: Solve for x
    x = 773,565,915,142.68/1,123,762
  6. Step 6: Final answer
    x = 688,371.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.