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Finding the Fourth Proportional to 1,266,201, 1,899,301.50 and 379,737

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Solution

The fourth proportional to 1,266,201, 1,899,301.50 and 379,737 is: 569,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,201 : 1,899,301.50 = 379,737 : x
  2. Step 2: Convert to fraction form
    1,266,201/1,899,301.50 = 379,737/x
  3. Step 3: Cross multiply
    1,266,201x = 1,899,301.50 × 379,737
  4. Step 4: Simplify right side
    1,266,201x = 721,235,053,705.50
  5. Step 5: Solve for x
    x = 721,235,053,705.50/1,266,201
  6. Step 6: Final answer
    x = 569,605.50

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Why These Related Problems?

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