Home / 1,210,113.68-1,815,782.88-500,650.88

Finding the Fourth Proportional to 1,210,113.68, 1,815,782.88 and 500,650.88

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Solution

The fourth proportional to 1,210,113.68, 1,815,782.88 and 500,650.88 is: 751,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,113.68 : 1,815,782.88 = 500,650.88 : x
  2. Step 2: Convert to fraction form
    1,210,113.68/1,815,782.88 = 500,650.88/x
  3. Step 3: Cross multiply
    1,210,113.68x = 1,815,782.88 × 500,650.88
  4. Step 4: Simplify right side
    1,210,113.68x = 909,073,296,760.93
  5. Step 5: Solve for x
    x = 909,073,296,760.93/1,210,113.68
  6. Step 6: Final answer
    x = 751,229.67

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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.