Home / 1,090,435.73-1,635,916.04-459,529.97

Finding the Fourth Proportional to 1,090,435.73, 1,635,916.04 and 459,529.97

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Solution

The fourth proportional to 1,090,435.73, 1,635,916.04 and 459,529.97 is: 689,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,435.73 : 1,635,916.04 = 459,529.97 : x
  2. Step 2: Convert to fraction form
    1,090,435.73/1,635,916.04 = 459,529.97/x
  3. Step 3: Cross multiply
    1,090,435.73x = 1,635,916.04 × 459,529.97
  4. Step 4: Simplify right side
    1,090,435.73x = 751,752,446,486.07
  5. Step 5: Solve for x
    x = 751,752,446,486.07/1,090,435.73
  6. Step 6: Final answer
    x = 689,405.55

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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.