Home / 1,311,109.44-1,966,664.16-749,751.36

Finding the Fourth Proportional to 1,311,109.44, 1,966,664.16 and 749,751.36

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Solution

The fourth proportional to 1,311,109.44, 1,966,664.16 and 749,751.36 is: 1,124,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,109.44 : 1,966,664.16 = 749,751.36 : x
  2. Step 2: Convert to fraction form
    1,311,109.44/1,966,664.16 = 749,751.36/x
  3. Step 3: Cross multiply
    1,311,109.44x = 1,966,664.16 × 749,751.36
  4. Step 4: Simplify right side
    1,311,109.44x = 1,474,509,128,623.26
  5. Step 5: Solve for x
    x = 1,474,509,128,623.26/1,311,109.44
  6. Step 6: Final answer
    x = 1,124,627.04

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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.