Home / 1,131,004.31-1,560,746.42-621,703.04

Finding the Fourth Proportional to 1,131,004.31, 1,560,746.42 and 621,703.04

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Solution

The fourth proportional to 1,131,004.31, 1,560,746.42 and 621,703.04 is: 857,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,004.31 : 1,560,746.42 = 621,703.04 : x
  2. Step 2: Convert to fraction form
    1,131,004.31/1,560,746.42 = 621,703.04/x
  3. Step 3: Cross multiply
    1,131,004.31x = 1,560,746.42 × 621,703.04
  4. Step 4: Simplify right side
    1,131,004.31x = 970,320,783,070.87
  5. Step 5: Solve for x
    x = 970,320,783,070.87/1,131,004.31
  6. Step 6: Final answer
    x = 857,928.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.