Home / 1,109,343.60-1,661,682.60-922,719.60

Finding the Fourth Proportional to 1,109,343.60, 1,661,682.60 and 922,719.60

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Solution

The fourth proportional to 1,109,343.60, 1,661,682.60 and 922,719.60 is: 1,382,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,343.60 : 1,661,682.60 = 922,719.60 : x
  2. Step 2: Convert to fraction form
    1,109,343.60/1,661,682.60 = 922,719.60/x
  3. Step 3: Cross multiply
    1,109,343.60x = 1,661,682.60 × 922,719.60
  4. Step 4: Simplify right side
    1,109,343.60x = 1,533,267,103,998.96
  5. Step 5: Solve for x
    x = 1,533,267,103,998.96/1,109,343.60
  6. Step 6: Final answer
    x = 1,382,139.05

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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.