Home / 1,231,176.65-1,699,730.53-938,490.44

Finding the Fourth Proportional to 1,231,176.65, 1,699,730.53 and 938,490.44

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Solution

The fourth proportional to 1,231,176.65, 1,699,730.53 and 938,490.44 is: 1,295,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,176.65 : 1,699,730.53 = 938,490.44 : x
  2. Step 2: Convert to fraction form
    1,231,176.65/1,699,730.53 = 938,490.44/x
  3. Step 3: Cross multiply
    1,231,176.65x = 1,699,730.53 × 938,490.44
  4. Step 4: Simplify right side
    1,231,176.65x = 1,595,180,842,136.25
  5. Step 5: Solve for x
    x = 1,595,180,842,136.25/1,231,176.65
  6. Step 6: Final answer
    x = 1,295,655.54

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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.