Home / 1,388,541.49-2,082,403.99-589,816.69

Finding the Fourth Proportional to 1,388,541.49, 2,082,403.99 and 589,816.69

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Solution

The fourth proportional to 1,388,541.49, 2,082,403.99 and 589,816.69 is: 884,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,541.49 : 2,082,403.99 = 589,816.69 : x
  2. Step 2: Convert to fraction form
    1,388,541.49/2,082,403.99 = 589,816.69/x
  3. Step 3: Cross multiply
    1,388,541.49x = 2,082,403.99 × 589,816.69
  4. Step 4: Simplify right side
    1,388,541.49x = 1,228,236,624,155.85
  5. Step 5: Solve for x
    x = 1,228,236,624,155.85/1,388,541.49
  6. Step 6: Final answer
    x = 884,551.62

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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.