Home / 1,887,876.45-2,832,224.74-689,796.84

Finding the Fourth Proportional to 1,887,876.45, 2,832,224.74 and 689,796.84

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Solution

The fourth proportional to 1,887,876.45, 2,832,224.74 and 689,796.84 is: 1,034,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,876.45 : 2,832,224.74 = 689,796.84 : x
  2. Step 2: Convert to fraction form
    1,887,876.45/2,832,224.74 = 689,796.84/x
  3. Step 3: Cross multiply
    1,887,876.45x = 2,832,224.74 × 689,796.84
  4. Step 4: Simplify right side
    1,887,876.45x = 1,953,659,684,718.17
  5. Step 5: Solve for x
    x = 1,953,659,684,718.17/1,887,876.45
  6. Step 6: Final answer
    x = 1,034,845.10

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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.