Home / 1,292,144.58-1,938,648.45-572,388.48

Finding the Fourth Proportional to 1,292,144.58, 1,938,648.45 and 572,388.48

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Solution

The fourth proportional to 1,292,144.58, 1,938,648.45 and 572,388.48 is: 858,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,144.58 : 1,938,648.45 = 572,388.48 : x
  2. Step 2: Convert to fraction form
    1,292,144.58/1,938,648.45 = 572,388.48/x
  3. Step 3: Cross multiply
    1,292,144.58x = 1,938,648.45 × 572,388.48
  4. Step 4: Simplify right side
    1,292,144.58x = 1,109,660,039,549.86
  5. Step 5: Solve for x
    x = 1,109,660,039,549.86/1,292,144.58
  6. Step 6: Final answer
    x = 858,773.90

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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.