Home / 1,263,903.51-1,896,334.10-758,817.21

Finding the Fourth Proportional to 1,263,903.51, 1,896,334.10 and 758,817.21

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Solution

The fourth proportional to 1,263,903.51, 1,896,334.10 and 758,817.21 is: 1,138,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,903.51 : 1,896,334.10 = 758,817.21 : x
  2. Step 2: Convert to fraction form
    1,263,903.51/1,896,334.10 = 758,817.21/x
  3. Step 3: Cross multiply
    1,263,903.51x = 1,896,334.10 × 758,817.21
  4. Step 4: Simplify right side
    1,263,903.51x = 1,438,970,947,195.78
  5. Step 5: Solve for x
    x = 1,438,970,947,195.78/1,263,903.51
  6. Step 6: Final answer
    x = 1,138,513.29

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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.