Home / 1,609,289.40-2,415,489.30-979,433.40

Finding the Fourth Proportional to 1,609,289.40, 2,415,489.30 and 979,433.40

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Solution

The fourth proportional to 1,609,289.40, 2,415,489.30 and 979,433.40 is: 1,470,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,289.40 : 2,415,489.30 = 979,433.40 : x
  2. Step 2: Convert to fraction form
    1,609,289.40/2,415,489.30 = 979,433.40/x
  3. Step 3: Cross multiply
    1,609,289.40x = 2,415,489.30 × 979,433.40
  4. Step 4: Simplify right side
    1,609,289.40x = 2,365,810,897,762.62
  5. Step 5: Solve for x
    x = 2,365,810,897,762.62/1,609,289.40
  6. Step 6: Final answer
    x = 1,470,096.61

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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.