Home / 1,018,869.82-1,529,640.22-683,411.36

Finding the Fourth Proportional to 1,018,869.82, 1,529,640.22 and 683,411.36

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Solution

The fourth proportional to 1,018,869.82, 1,529,640.22 and 683,411.36 is: 1,026,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,869.82 : 1,529,640.22 = 683,411.36 : x
  2. Step 2: Convert to fraction form
    1,018,869.82/1,529,640.22 = 683,411.36/x
  3. Step 3: Cross multiply
    1,018,869.82x = 1,529,640.22 × 683,411.36
  4. Step 4: Simplify right side
    1,018,869.82x = 1,045,373,503,060.90
  5. Step 5: Solve for x
    x = 1,045,373,503,060.90/1,018,869.82
  6. Step 6: Final answer
    x = 1,026,012.83

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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.