Home / 1,422,432.84-2,133,861.48-523,805.52

Finding the Fourth Proportional to 1,422,432.84, 2,133,861.48 and 523,805.52

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Solution

The fourth proportional to 1,422,432.84, 2,133,861.48 and 523,805.52 is: 785,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,432.84 : 2,133,861.48 = 523,805.52 : x
  2. Step 2: Convert to fraction form
    1,422,432.84/2,133,861.48 = 523,805.52/x
  3. Step 3: Cross multiply
    1,422,432.84x = 2,133,861.48 × 523,805.52
  4. Step 4: Simplify right side
    1,422,432.84x = 1,117,728,422,139.37
  5. Step 5: Solve for x
    x = 1,117,728,422,139.37/1,422,432.84
  6. Step 6: Final answer
    x = 785,786.43

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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.