Home / 1,090,940.07-1,636,667.70-342,986.07

Finding the Fourth Proportional to 1,090,940.07, 1,636,667.70 and 342,986.07

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Solution

The fourth proportional to 1,090,940.07, 1,636,667.70 and 342,986.07 is: 514,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,940.07 : 1,636,667.70 = 342,986.07 : x
  2. Step 2: Convert to fraction form
    1,090,940.07/1,636,667.70 = 342,986.07/x
  3. Step 3: Cross multiply
    1,090,940.07x = 1,636,667.70 × 342,986.07
  4. Step 4: Simplify right side
    1,090,940.07x = 561,354,222,318.94
  5. Step 5: Solve for x
    x = 561,354,222,318.94/1,090,940.07
  6. Step 6: Final answer
    x = 514,560.09

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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.