Home / 1,292,131.44-1,938,628.74-572,375.36

Finding the Fourth Proportional to 1,292,131.44, 1,938,628.74 and 572,375.36

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Solution

The fourth proportional to 1,292,131.44, 1,938,628.74 and 572,375.36 is: 858,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,131.44 : 1,938,628.74 = 572,375.36 : x
  2. Step 2: Convert to fraction form
    1,292,131.44/1,938,628.74 = 572,375.36/x
  3. Step 3: Cross multiply
    1,292,131.44x = 1,938,628.74 × 572,375.36
  4. Step 4: Simplify right side
    1,292,131.44x = 1,109,623,326,737.21
  5. Step 5: Solve for x
    x = 1,109,623,326,737.21/1,292,131.44
  6. Step 6: Final answer
    x = 858,754.22

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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.