Home / 1,434,390.63-1,979,502.62-789,833.91

Finding the Fourth Proportional to 1,434,390.63, 1,979,502.62 and 789,833.91

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Solution

The fourth proportional to 1,434,390.63, 1,979,502.62 and 789,833.91 is: 1,089,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,390.63 : 1,979,502.62 = 789,833.91 : x
  2. Step 2: Convert to fraction form
    1,434,390.63/1,979,502.62 = 789,833.91/x
  3. Step 3: Cross multiply
    1,434,390.63x = 1,979,502.62 × 789,833.91
  4. Step 4: Simplify right side
    1,434,390.63x = 1,563,478,294,209.84
  5. Step 5: Solve for x
    x = 1,563,478,294,209.84/1,434,390.63
  6. Step 6: Final answer
    x = 1,089,994.78

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