Home / 1,439,030.44-2,158,169.50-427,880.08

Finding the Fourth Proportional to 1,439,030.44, 2,158,169.50 and 427,880.08

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Solution

The fourth proportional to 1,439,030.44, 2,158,169.50 and 427,880.08 is: 641,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,030.44 : 2,158,169.50 = 427,880.08 : x
  2. Step 2: Convert to fraction form
    1,439,030.44/2,158,169.50 = 427,880.08/x
  3. Step 3: Cross multiply
    1,439,030.44x = 2,158,169.50 × 427,880.08
  4. Step 4: Simplify right side
    1,439,030.44x = 923,437,738,313.56
  5. Step 5: Solve for x
    x = 923,437,738,313.56/1,439,030.44
  6. Step 6: Final answer
    x = 641,708.27

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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.