Home / 1,605,009.60-2,408,875.20-659,059.20

Finding the Fourth Proportional to 1,605,009.60, 2,408,875.20 and 659,059.20

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Solution

The fourth proportional to 1,605,009.60, 2,408,875.20 and 659,059.20 is: 989,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,009.60 : 2,408,875.20 = 659,059.20 : x
  2. Step 2: Convert to fraction form
    1,605,009.60/2,408,875.20 = 659,059.20/x
  3. Step 3: Cross multiply
    1,605,009.60x = 2,408,875.20 × 659,059.20
  4. Step 4: Simplify right side
    1,605,009.60x = 1,587,591,362,211.84
  5. Step 5: Solve for x
    x = 1,587,591,362,211.84/1,605,009.60
  6. Step 6: Final answer
    x = 989,147.58

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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.