Home / 1,371,904.64-2,057,114.73-1,089,412.58

Finding the Fourth Proportional to 1,371,904.64, 2,057,114.73 and 1,089,412.58

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Solution

The fourth proportional to 1,371,904.64, 2,057,114.73 and 1,089,412.58 is: 1,633,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,904.64 : 2,057,114.73 = 1,089,412.58 : x
  2. Step 2: Convert to fraction form
    1,371,904.64/2,057,114.73 = 1,089,412.58/x
  3. Step 3: Cross multiply
    1,371,904.64x = 2,057,114.73 × 1,089,412.58
  4. Step 4: Simplify right side
    1,371,904.64x = 2,241,046,665,365.30
  5. Step 5: Solve for x
    x = 2,241,046,665,365.30/1,371,904.64
  6. Step 6: Final answer
    x = 1,633,529.47

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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.