Home / 1,434,535.46-1,979,615.67-789,959.13

Finding the Fourth Proportional to 1,434,535.46, 1,979,615.67 and 789,959.13

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Solution

The fourth proportional to 1,434,535.46, 1,979,615.67 and 789,959.13 is: 1,090,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,535.46 : 1,979,615.67 = 789,959.13 : x
  2. Step 2: Convert to fraction form
    1,434,535.46/1,979,615.67 = 789,959.13/x
  3. Step 3: Cross multiply
    1,434,535.46x = 1,979,615.67 × 789,959.13
  4. Step 4: Simplify right side
    1,434,535.46x = 1,563,815,479,822.28
  5. Step 5: Solve for x
    x = 1,563,815,479,822.28/1,434,535.46
  6. Step 6: Final answer
    x = 1,090,119.78

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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.