Home / 1,200,842.28-1,803,324.06-1,066,210.56

Finding the Fourth Proportional to 1,200,842.28, 1,803,324.06 and 1,066,210.56

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Solution

The fourth proportional to 1,200,842.28, 1,803,324.06 and 1,066,210.56 is: 1,601,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,842.28 : 1,803,324.06 = 1,066,210.56 : x
  2. Step 2: Convert to fraction form
    1,200,842.28/1,803,324.06 = 1,066,210.56/x
  3. Step 3: Cross multiply
    1,200,842.28x = 1,803,324.06 × 1,066,210.56
  4. Step 4: Simplify right side
    1,200,842.28x = 1,922,723,155,874.07
  5. Step 5: Solve for x
    x = 1,922,723,155,874.07/1,200,842.28
  6. Step 6: Final answer
    x = 1,601,145.45

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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.