Home / 1,419,595.26-2,128,343.10-858,505.02

Finding the Fourth Proportional to 1,419,595.26, 2,128,343.10 and 858,505.02

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Solution

The fourth proportional to 1,419,595.26, 2,128,343.10 and 858,505.02 is: 1,287,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,595.26 : 2,128,343.10 = 858,505.02 : x
  2. Step 2: Convert to fraction form
    1,419,595.26/2,128,343.10 = 858,505.02/x
  3. Step 3: Cross multiply
    1,419,595.26x = 2,128,343.10 × 858,505.02
  4. Step 4: Simplify right side
    1,419,595.26x = 1,827,193,235,632.36
  5. Step 5: Solve for x
    x = 1,827,193,235,632.36/1,419,595.26
  6. Step 6: Final answer
    x = 1,287,122.67

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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.