Home / 1,244,415.80-1,866,623.70-345,855.80

Finding the Fourth Proportional to 1,244,415.80, 1,866,623.70 and 345,855.80

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Solution

The fourth proportional to 1,244,415.80, 1,866,623.70 and 345,855.80 is: 518,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,415.80 : 1,866,623.70 = 345,855.80 : x
  2. Step 2: Convert to fraction form
    1,244,415.80/1,866,623.70 = 345,855.80/x
  3. Step 3: Cross multiply
    1,244,415.80x = 1,866,623.70 × 345,855.80
  4. Step 4: Simplify right side
    1,244,415.80x = 645,582,633,062.46
  5. Step 5: Solve for x
    x = 645,582,633,062.46/1,244,415.80
  6. Step 6: Final answer
    x = 518,783.70

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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.