Home / 1,300,171.70-1,950,257.55-1,090,219.70

Finding the Fourth Proportional to 1,300,171.70, 1,950,257.55 and 1,090,219.70

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Solution

The fourth proportional to 1,300,171.70, 1,950,257.55 and 1,090,219.70 is: 1,635,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,171.70 : 1,950,257.55 = 1,090,219.70 : x
  2. Step 2: Convert to fraction form
    1,300,171.70/1,950,257.55 = 1,090,219.70/x
  3. Step 3: Cross multiply
    1,300,171.70x = 1,950,257.55 × 1,090,219.70
  4. Step 4: Simplify right side
    1,300,171.70x = 2,126,209,201,083.74
  5. Step 5: Solve for x
    x = 2,126,209,201,083.74/1,300,171.70
  6. Step 6: Final answer
    x = 1,635,329.55

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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.