Home / 1,817,745.23-2,726,687.10-680,387.69

Finding the Fourth Proportional to 1,817,745.23, 2,726,687.10 and 680,387.69

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Solution

The fourth proportional to 1,817,745.23, 2,726,687.10 and 680,387.69 is: 1,020,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,745.23 : 2,726,687.10 = 680,387.69 : x
  2. Step 2: Convert to fraction form
    1,817,745.23/2,726,687.10 = 680,387.69/x
  3. Step 3: Cross multiply
    1,817,745.23x = 2,726,687.10 × 680,387.69
  4. Step 4: Simplify right side
    1,817,745.23x = 1,855,204,323,688.36
  5. Step 5: Solve for x
    x = 1,855,204,323,688.36/1,817,745.23
  6. Step 6: Final answer
    x = 1,020,607.45

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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.