Home / 1,214,999.80-1,822,499.70-1,197,285.10

Finding the Fourth Proportional to 1,214,999.80, 1,822,499.70 and 1,197,285.10

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Solution

The fourth proportional to 1,214,999.80, 1,822,499.70 and 1,197,285.10 is: 1,795,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,999.80 : 1,822,499.70 = 1,197,285.10 : x
  2. Step 2: Convert to fraction form
    1,214,999.80/1,822,499.70 = 1,197,285.10/x
  3. Step 3: Cross multiply
    1,214,999.80x = 1,822,499.70 × 1,197,285.10
  4. Step 4: Simplify right side
    1,214,999.80x = 2,182,051,735,564.47
  5. Step 5: Solve for x
    x = 2,182,051,735,564.47/1,214,999.80
  6. Step 6: Final answer
    x = 1,795,927.65

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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.