Home / 1,018,321.38-1,526,896.71-419,695.74

Finding the Fourth Proportional to 1,018,321.38, 1,526,896.71 and 419,695.74

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Solution

The fourth proportional to 1,018,321.38, 1,526,896.71 and 419,695.74 is: 629,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,321.38 : 1,526,896.71 = 419,695.74 : x
  2. Step 2: Convert to fraction form
    1,018,321.38/1,526,896.71 = 419,695.74/x
  3. Step 3: Cross multiply
    1,018,321.38x = 1,526,896.71 × 419,695.74
  4. Step 4: Simplify right side
    1,018,321.38x = 640,832,044,607.02
  5. Step 5: Solve for x
    x = 640,832,044,607.02/1,018,321.38
  6. Step 6: Final answer
    x = 629,302.36

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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.