Home / 1,539,659.20-2,305,989.60-972,788.80

Finding the Fourth Proportional to 1,539,659.20, 2,305,989.60 and 972,788.80

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Solution

The fourth proportional to 1,539,659.20, 2,305,989.60 and 972,788.80 is: 1,456,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,659.20 : 2,305,989.60 = 972,788.80 : x
  2. Step 2: Convert to fraction form
    1,539,659.20/2,305,989.60 = 972,788.80/x
  3. Step 3: Cross multiply
    1,539,659.20x = 2,305,989.60 × 972,788.80
  4. Step 4: Simplify right side
    1,539,659.20x = 2,243,240,855,796.48
  5. Step 5: Solve for x
    x = 2,243,240,855,796.48/1,539,659.20
  6. Step 6: Final answer
    x = 1,456,972.33

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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.