Home / 1,722,809.55-2,579,699.54-1,214,619.10

Finding the Fourth Proportional to 1,722,809.55, 2,579,699.54 and 1,214,619.10

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Solution

The fourth proportional to 1,722,809.55, 2,579,699.54 and 1,214,619.10 is: 1,818,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,809.55 : 2,579,699.54 = 1,214,619.10 : x
  2. Step 2: Convert to fraction form
    1,722,809.55/2,579,699.54 = 1,214,619.10/x
  3. Step 3: Cross multiply
    1,722,809.55x = 2,579,699.54 × 1,214,619.10
  4. Step 4: Simplify right side
    1,722,809.55x = 3,133,352,330,132.51
  5. Step 5: Solve for x
    x = 3,133,352,330,132.51/1,722,809.55
  6. Step 6: Final answer
    x = 1,818,745.62

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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.