Home / 1,640,861.10-2,461,275.45-518,930.10

Finding the Fourth Proportional to 1,640,861.10, 2,461,275.45 and 518,930.10

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Solution

The fourth proportional to 1,640,861.10, 2,461,275.45 and 518,930.10 is: 778,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,861.10 : 2,461,275.45 = 518,930.10 : x
  2. Step 2: Convert to fraction form
    1,640,861.10/2,461,275.45 = 518,930.10/x
  3. Step 3: Cross multiply
    1,640,861.10x = 2,461,275.45 × 518,930.10
  4. Step 4: Simplify right side
    1,640,861.10x = 1,277,229,915,396.05
  5. Step 5: Solve for x
    x = 1,277,229,915,396.05/1,640,861.10
  6. Step 6: Final answer
    x = 778,390.03

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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.