Home / 1,118,775.04-1,678,286.49-399,284.54

Finding the Fourth Proportional to 1,118,775.04, 1,678,286.49 and 399,284.54

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Solution

The fourth proportional to 1,118,775.04, 1,678,286.49 and 399,284.54 is: 598,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,775.04 : 1,678,286.49 = 399,284.54 : x
  2. Step 2: Convert to fraction form
    1,118,775.04/1,678,286.49 = 399,284.54/x
  3. Step 3: Cross multiply
    1,118,775.04x = 1,678,286.49 × 399,284.54
  4. Step 4: Simplify right side
    1,118,775.04x = 670,113,845,552.69
  5. Step 5: Solve for x
    x = 670,113,845,552.69/1,118,775.04
  6. Step 6: Final answer
    x = 598,971.04

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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.