Home / 1,419,110.40-2,131,123.20-1,001,318.40

Finding the Fourth Proportional to 1,419,110.40, 2,131,123.20 and 1,001,318.40

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Solution

The fourth proportional to 1,419,110.40, 2,131,123.20 and 1,001,318.40 is: 1,503,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,110.40 : 2,131,123.20 = 1,001,318.40 : x
  2. Step 2: Convert to fraction form
    1,419,110.40/2,131,123.20 = 1,001,318.40/x
  3. Step 3: Cross multiply
    1,419,110.40x = 2,131,123.20 × 1,001,318.40
  4. Step 4: Simplify right side
    1,419,110.40x = 2,133,932,872,826.88
  5. Step 5: Solve for x
    x = 2,133,932,872,826.88/1,419,110.40
  6. Step 6: Final answer
    x = 1,503,711.67

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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.