Home / 1,434,448.34-1,979,551.68-789,891.38

Finding the Fourth Proportional to 1,434,448.34, 1,979,551.68 and 789,891.38

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Solution

The fourth proportional to 1,434,448.34, 1,979,551.68 and 789,891.38 is: 1,090,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,448.34 : 1,979,551.68 = 789,891.38 : x
  2. Step 2: Convert to fraction form
    1,434,448.34/1,979,551.68 = 789,891.38/x
  3. Step 3: Cross multiply
    1,434,448.34x = 1,979,551.68 × 789,891.38
  4. Step 4: Simplify right side
    1,434,448.34x = 1,563,630,808,296.52
  5. Step 5: Solve for x
    x = 1,563,630,808,296.52/1,434,448.34
  6. Step 6: Final answer
    x = 1,090,057.25

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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.