Home / 1,213,620.68-1,819,402.86-503,205.32

Finding the Fourth Proportional to 1,213,620.68, 1,819,402.86 and 503,205.32

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Solution

The fourth proportional to 1,213,620.68, 1,819,402.86 and 503,205.32 is: 754,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,620.68 : 1,819,402.86 = 503,205.32 : x
  2. Step 2: Convert to fraction form
    1,213,620.68/1,819,402.86 = 503,205.32/x
  3. Step 3: Cross multiply
    1,213,620.68x = 1,819,402.86 × 503,205.32
  4. Step 4: Simplify right side
    1,213,620.68x = 915,533,198,375.22
  5. Step 5: Solve for x
    x = 915,533,198,375.22/1,213,620.68
  6. Step 6: Final answer
    x = 754,381.67

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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.