Home / 1,100,446.90-1,518,679.35-616,988.62

Finding the Fourth Proportional to 1,100,446.90, 1,518,679.35 and 616,988.62

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Solution

The fourth proportional to 1,100,446.90, 1,518,679.35 and 616,988.62 is: 851,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,446.90 : 1,518,679.35 = 616,988.62 : x
  2. Step 2: Convert to fraction form
    1,100,446.90/1,518,679.35 = 616,988.62/x
  3. Step 3: Cross multiply
    1,100,446.90x = 1,518,679.35 × 616,988.62
  4. Step 4: Simplify right side
    1,100,446.90x = 937,007,876,379.00
  5. Step 5: Solve for x
    x = 937,007,876,379.00/1,100,446.90
  6. Step 6: Final answer
    x = 851,479.41

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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.