Home / 1,078,894.88-1,618,420.32-414,046.88

Finding the Fourth Proportional to 1,078,894.88, 1,618,420.32 and 414,046.88

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Solution

The fourth proportional to 1,078,894.88, 1,618,420.32 and 414,046.88 is: 621,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,894.88 : 1,618,420.32 = 414,046.88 : x
  2. Step 2: Convert to fraction form
    1,078,894.88/1,618,420.32 = 414,046.88/x
  3. Step 3: Cross multiply
    1,078,894.88x = 1,618,420.32 × 414,046.88
  4. Step 4: Simplify right side
    1,078,894.88x = 670,101,884,024.60
  5. Step 5: Solve for x
    x = 670,101,884,024.60/1,078,894.88
  6. Step 6: Final answer
    x = 621,100.25

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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.