Home / 1,448,816.94-2,172,339.60-690,890.22

Finding the Fourth Proportional to 1,448,816.94, 2,172,339.60 and 690,890.22

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Solution

The fourth proportional to 1,448,816.94, 2,172,339.60 and 690,890.22 is: 1,035,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,816.94 : 2,172,339.60 = 690,890.22 : x
  2. Step 2: Convert to fraction form
    1,448,816.94/2,172,339.60 = 690,890.22/x
  3. Step 3: Cross multiply
    1,448,816.94x = 2,172,339.60 × 690,890.22
  4. Step 4: Simplify right side
    1,448,816.94x = 1,500,848,184,158.71
  5. Step 5: Solve for x
    x = 1,500,848,184,158.71/1,448,816.94
  6. Step 6: Final answer
    x = 1,035,912.92

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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.