Home / 1,388,852.05-2,082,913.44-589,722.25

Finding the Fourth Proportional to 1,388,852.05, 2,082,913.44 and 589,722.25

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Solution

The fourth proportional to 1,388,852.05, 2,082,913.44 and 589,722.25 is: 884,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,852.05 : 2,082,913.44 = 589,722.25 : x
  2. Step 2: Convert to fraction form
    1,388,852.05/2,082,913.44 = 589,722.25/x
  3. Step 3: Cross multiply
    1,388,852.05x = 2,082,913.44 × 589,722.25
  4. Step 4: Simplify right side
    1,388,852.05x = 1,228,340,400,392.04
  5. Step 5: Solve for x
    x = 1,228,340,400,392.04/1,388,852.05
  6. Step 6: Final answer
    x = 884,428.55

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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.