Home / 1,383,999.90-2,075,999.85-1,029,705.90

Finding the Fourth Proportional to 1,383,999.90, 2,075,999.85 and 1,029,705.90

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Solution

The fourth proportional to 1,383,999.90, 2,075,999.85 and 1,029,705.90 is: 1,544,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,999.90 : 2,075,999.85 = 1,029,705.90 : x
  2. Step 2: Convert to fraction form
    1,383,999.90/2,075,999.85 = 1,029,705.90/x
  3. Step 3: Cross multiply
    1,383,999.90x = 2,075,999.85 × 1,029,705.90
  4. Step 4: Simplify right side
    1,383,999.90x = 2,137,669,293,944.12
  5. Step 5: Solve for x
    x = 2,137,669,293,944.12/1,383,999.90
  6. Step 6: Final answer
    x = 1,544,558.85

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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.