Home / 1,420,969-2,132,503.26-673,015

Finding the Fourth Proportional to 1,420,969, 2,132,503.26 and 673,015

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Solution

The fourth proportional to 1,420,969, 2,132,503.26 and 673,015 is: 1,010,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,969 : 2,132,503.26 = 673,015 : x
  2. Step 2: Convert to fraction form
    1,420,969/2,132,503.26 = 673,015/x
  3. Step 3: Cross multiply
    1,420,969x = 2,132,503.26 × 673,015
  4. Step 4: Simplify right side
    1,420,969x = 1,435,206,681,528.90
  5. Step 5: Solve for x
    x = 1,435,206,681,528.90/1,420,969
  6. Step 6: Final answer
    x = 1,010,019.70

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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.