Home / 1,392,972.76-2,089,459.14-395,571.16

Finding the Fourth Proportional to 1,392,972.76, 2,089,459.14 and 395,571.16

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Solution

The fourth proportional to 1,392,972.76, 2,089,459.14 and 395,571.16 is: 593,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,972.76 : 2,089,459.14 = 395,571.16 : x
  2. Step 2: Convert to fraction form
    1,392,972.76/2,089,459.14 = 395,571.16/x
  3. Step 3: Cross multiply
    1,392,972.76x = 2,089,459.14 × 395,571.16
  4. Step 4: Simplify right side
    1,392,972.76x = 826,529,775,782.40
  5. Step 5: Solve for x
    x = 826,529,775,782.40/1,392,972.76
  6. Step 6: Final answer
    x = 593,356.74

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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.