Home / 1,018,868.82-1,529,638.72-683,410.36

Finding the Fourth Proportional to 1,018,868.82, 1,529,638.72 and 683,410.36

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Solution

The fourth proportional to 1,018,868.82, 1,529,638.72 and 683,410.36 is: 1,026,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,868.82 : 1,529,638.72 = 683,410.36 : x
  2. Step 2: Convert to fraction form
    1,018,868.82/1,529,638.72 = 683,410.36/x
  3. Step 3: Cross multiply
    1,018,868.82x = 1,529,638.72 × 683,410.36
  4. Step 4: Simplify right side
    1,018,868.82x = 1,045,370,948,305.14
  5. Step 5: Solve for x
    x = 1,045,370,948,305.14/1,018,868.82
  6. Step 6: Final answer
    x = 1,026,011.33

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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.