Home / 1,091,736.60-1,637,021.70-381,787.80

Finding the Fourth Proportional to 1,091,736.60, 1,637,021.70 and 381,787.80

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Solution

The fourth proportional to 1,091,736.60, 1,637,021.70 and 381,787.80 is: 572,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,736.60 : 1,637,021.70 = 381,787.80 : x
  2. Step 2: Convert to fraction form
    1,091,736.60/1,637,021.70 = 381,787.80/x
  3. Step 3: Cross multiply
    1,091,736.60x = 1,637,021.70 × 381,787.80
  4. Step 4: Simplify right side
    1,091,736.60x = 624,994,913,395.26
  5. Step 5: Solve for x
    x = 624,994,913,395.26/1,091,736.60
  6. Step 6: Final answer
    x = 572,477.75

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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.