Home / 1,090,467-1,505,585.20-682,733.65

Finding the Fourth Proportional to 1,090,467, 1,505,585.20 and 682,733.65

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Solution

The fourth proportional to 1,090,467, 1,505,585.20 and 682,733.65 is: 942,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,467 : 1,505,585.20 = 682,733.65 : x
  2. Step 2: Convert to fraction form
    1,090,467/1,505,585.20 = 682,733.65/x
  3. Step 3: Cross multiply
    1,090,467x = 1,505,585.20 × 682,733.65
  4. Step 4: Simplify right side
    1,090,467x = 1,027,913,678,981.98
  5. Step 5: Solve for x
    x = 1,027,913,678,981.98/1,090,467
  6. Step 6: Final answer
    x = 942,636.21

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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.