Home / 1,434,450.34-1,979,554.44-789,893.38

Finding the Fourth Proportional to 1,434,450.34, 1,979,554.44 and 789,893.38

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Solution

The fourth proportional to 1,434,450.34, 1,979,554.44 and 789,893.38 is: 1,090,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,450.34 : 1,979,554.44 = 789,893.38 : x
  2. Step 2: Convert to fraction form
    1,434,450.34/1,979,554.44 = 789,893.38/x
  3. Step 3: Cross multiply
    1,434,450.34x = 1,979,554.44 × 789,893.38
  4. Step 4: Simplify right side
    1,434,450.34x = 1,563,636,947,505.61
  5. Step 5: Solve for x
    x = 1,563,636,947,505.61/1,434,450.34
  6. Step 6: Final answer
    x = 1,090,060.01

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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.