Home / 1,425,497.88-1,967,187.92-780,941.44

Finding the Fourth Proportional to 1,425,497.88, 1,967,187.92 and 780,941.44

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Solution

The fourth proportional to 1,425,497.88, 1,967,187.92 and 780,941.44 is: 1,077,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,497.88 : 1,967,187.92 = 780,941.44 : x
  2. Step 2: Convert to fraction form
    1,425,497.88/1,967,187.92 = 780,941.44/x
  3. Step 3: Cross multiply
    1,425,497.88x = 1,967,187.92 × 780,941.44
  4. Step 4: Simplify right side
    1,425,497.88x = 1,536,258,566,995.40
  5. Step 5: Solve for x
    x = 1,536,258,566,995.40/1,425,497.88
  6. Step 6: Final answer
    x = 1,077,699.65

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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.