Home / 1,754,103.75-2,631,155.73-424,407.75

Finding the Fourth Proportional to 1,754,103.75, 2,631,155.73 and 424,407.75

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Solution

The fourth proportional to 1,754,103.75, 2,631,155.73 and 424,407.75 is: 636,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,103.75 : 2,631,155.73 = 424,407.75 : x
  2. Step 2: Convert to fraction form
    1,754,103.75/2,631,155.73 = 424,407.75/x
  3. Step 3: Cross multiply
    1,754,103.75x = 2,631,155.73 × 424,407.75
  4. Step 4: Simplify right side
    1,754,103.75x = 1,116,682,883,268.91
  5. Step 5: Solve for x
    x = 1,116,682,883,268.91/1,754,103.75
  6. Step 6: Final answer
    x = 636,611.65

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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.