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Finding the Fourth Proportional to 1,265,761, 1,898,952.60 and 379,297

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Solution

The fourth proportional to 1,265,761, 1,898,952.60 and 379,297 is: 569,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,761 : 1,898,952.60 = 379,297 : x
  2. Step 2: Convert to fraction form
    1,265,761/1,898,952.60 = 379,297/x
  3. Step 3: Cross multiply
    1,265,761x = 1,898,952.60 × 379,297
  4. Step 4: Simplify right side
    1,265,761x = 720,267,024,322.20
  5. Step 5: Solve for x
    x = 720,267,024,322.20/1,265,761
  6. Step 6: Final answer
    x = 569,038.72

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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.