Home / 1,240,289.21-1,860,100.75-341,516.96

Finding the Fourth Proportional to 1,240,289.21, 1,860,100.75 and 341,516.96

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Solution

The fourth proportional to 1,240,289.21, 1,860,100.75 and 341,516.96 is: 512,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,289.21 : 1,860,100.75 = 341,516.96 : x
  2. Step 2: Convert to fraction form
    1,240,289.21/1,860,100.75 = 341,516.96/x
  3. Step 3: Cross multiply
    1,240,289.21x = 1,860,100.75 × 341,516.96
  4. Step 4: Simplify right side
    1,240,289.21x = 635,255,942,425.63
  5. Step 5: Solve for x
    x = 635,255,942,425.63/1,240,289.21
  6. Step 6: Final answer
    x = 512,183.72

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1.5x scale

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.