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Finding the Fourth Proportional to 1,805,682.95, 2,707,737 and 682,964.63

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Solution

The fourth proportional to 1,805,682.95, 2,707,737 and 682,964.63 is: 1,024,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,682.95 : 2,707,737 = 682,964.63 : x
  2. Step 2: Convert to fraction form
    1,805,682.95/2,707,737 = 682,964.63/x
  3. Step 3: Cross multiply
    1,805,682.95x = 2,707,737 × 682,964.63
  4. Step 4: Simplify right side
    1,805,682.95x = 1,849,288,584,803.63
  5. Step 5: Solve for x
    x = 1,849,288,584,803.63/1,805,682.95
  6. Step 6: Final answer
    x = 1,024,149.11

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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.