Home / 1,406,626.86-2,109,940.31-341,661.75

Finding the Fourth Proportional to 1,406,626.86, 2,109,940.31 and 341,661.75

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Solution

The fourth proportional to 1,406,626.86, 2,109,940.31 and 341,661.75 is: 512,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,626.86 : 2,109,940.31 = 341,661.75 : x
  2. Step 2: Convert to fraction form
    1,406,626.86/2,109,940.31 = 341,661.75/x
  3. Step 3: Cross multiply
    1,406,626.86x = 2,109,940.31 × 341,661.75
  4. Step 4: Simplify right side
    1,406,626.86x = 720,885,891,652.02
  5. Step 5: Solve for x
    x = 720,885,891,652.02/1,406,626.86
  6. Step 6: Final answer
    x = 512,492.62

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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.