Home / 1,673,365.86-2,309,179.86-909,403.02

Finding the Fourth Proportional to 1,673,365.86, 2,309,179.86 and 909,403.02

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Solution

The fourth proportional to 1,673,365.86, 2,309,179.86 and 909,403.02 is: 1,254,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,365.86 : 2,309,179.86 = 909,403.02 : x
  2. Step 2: Convert to fraction form
    1,673,365.86/2,309,179.86 = 909,403.02/x
  3. Step 3: Cross multiply
    1,673,365.86x = 2,309,179.86 × 909,403.02
  4. Step 4: Simplify right side
    1,673,365.86x = 2,099,975,138,407.18
  5. Step 5: Solve for x
    x = 2,099,975,138,407.18/1,673,365.86
  6. Step 6: Final answer
    x = 1,254,940.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.