Home / 1,228,499.48-1,842,896.85-1,161,314.84

Finding the Fourth Proportional to 1,228,499.48, 1,842,896.85 and 1,161,314.84

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Solution

The fourth proportional to 1,228,499.48, 1,842,896.85 and 1,161,314.84 is: 1,742,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,499.48 : 1,842,896.85 = 1,161,314.84 : x
  2. Step 2: Convert to fraction form
    1,228,499.48/1,842,896.85 = 1,161,314.84/x
  3. Step 3: Cross multiply
    1,228,499.48x = 1,842,896.85 × 1,161,314.84
  4. Step 4: Simplify right side
    1,228,499.48x = 2,140,183,460,746.57
  5. Step 5: Solve for x
    x = 2,140,183,460,746.57/1,228,499.48
  6. Step 6: Final answer
    x = 1,742,111.81

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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.