Home / 1,856,790-2,786,429.16-674,838

Finding the Fourth Proportional to 1,856,790, 2,786,429.16 and 674,838

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Solution

The fourth proportional to 1,856,790, 2,786,429.16 and 674,838 is: 1,012,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,790 : 2,786,429.16 = 674,838 : x
  2. Step 2: Convert to fraction form
    1,856,790/2,786,429.16 = 674,838/x
  3. Step 3: Cross multiply
    1,856,790x = 2,786,429.16 × 674,838
  4. Step 4: Simplify right side
    1,856,790x = 1,880,388,281,476.08
  5. Step 5: Solve for x
    x = 1,880,388,281,476.08/1,856,790
  6. Step 6: Final answer
    x = 1,012,709.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.