Home / 1,384,173.89-1,910,165.24-772,352.43

Finding the Fourth Proportional to 1,384,173.89, 1,910,165.24 and 772,352.43

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Solution

The fourth proportional to 1,384,173.89, 1,910,165.24 and 772,352.43 is: 1,065,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,173.89 : 1,910,165.24 = 772,352.43 : x
  2. Step 2: Convert to fraction form
    1,384,173.89/1,910,165.24 = 772,352.43/x
  3. Step 3: Cross multiply
    1,384,173.89x = 1,910,165.24 × 772,352.43
  4. Step 4: Simplify right side
    1,384,173.89x = 1,475,320,760,953.77
  5. Step 5: Solve for x
    x = 1,475,320,760,953.77/1,384,173.89
  6. Step 6: Final answer
    x = 1,065,849.30

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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.