Home / 1,313,855.60-1,970,848.20-683,999.60

Finding the Fourth Proportional to 1,313,855.60, 1,970,848.20 and 683,999.60

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Solution

The fourth proportional to 1,313,855.60, 1,970,848.20 and 683,999.60 is: 1,026,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,855.60 : 1,970,848.20 = 683,999.60 : x
  2. Step 2: Convert to fraction form
    1,313,855.60/1,970,848.20 = 683,999.60/x
  3. Step 3: Cross multiply
    1,313,855.60x = 1,970,848.20 × 683,999.60
  4. Step 4: Simplify right side
    1,313,855.60x = 1,348,059,380,460.72
  5. Step 5: Solve for x
    x = 1,348,059,380,460.72/1,313,855.60
  6. Step 6: Final answer
    x = 1,026,033.14

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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.