Home / 1,421,072.47-2,127,788.97-1,082,500.26

Finding the Fourth Proportional to 1,421,072.47, 2,127,788.97 and 1,082,500.26

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Solution

The fourth proportional to 1,421,072.47, 2,127,788.97 and 1,082,500.26 is: 1,620,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,072.47 : 2,127,788.97 = 1,082,500.26 : x
  2. Step 2: Convert to fraction form
    1,421,072.47/2,127,788.97 = 1,082,500.26/x
  3. Step 3: Cross multiply
    1,421,072.47x = 2,127,788.97 × 1,082,500.26
  4. Step 4: Simplify right side
    1,421,072.47x = 2,303,332,113,250.13
  5. Step 5: Solve for x
    x = 2,303,332,113,250.13/1,421,072.47
  6. Step 6: Final answer
    x = 1,620,840.72

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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.