Home / 1,425,383.36-1,967,034.69-780,808.04

Finding the Fourth Proportional to 1,425,383.36, 1,967,034.69 and 780,808.04

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Solution

The fourth proportional to 1,425,383.36, 1,967,034.69 and 780,808.04 is: 1,077,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,383.36 : 1,967,034.69 = 780,808.04 : x
  2. Step 2: Convert to fraction form
    1,425,383.36/1,967,034.69 = 780,808.04/x
  3. Step 3: Cross multiply
    1,425,383.36x = 1,967,034.69 × 780,808.04
  4. Step 4: Simplify right side
    1,425,383.36x = 1,535,876,491,075.73
  5. Step 5: Solve for x
    x = 1,535,876,491,075.73/1,425,383.36
  6. Step 6: Final answer
    x = 1,077,518.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.