Home / 1,266,999.36-1,900,300.96-414,064.32

Finding the Fourth Proportional to 1,266,999.36, 1,900,300.96 and 414,064.32

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Solution

The fourth proportional to 1,266,999.36, 1,900,300.96 and 414,064.32 is: 621,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,999.36 : 1,900,300.96 = 414,064.32 : x
  2. Step 2: Convert to fraction form
    1,266,999.36/1,900,300.96 = 414,064.32/x
  3. Step 3: Cross multiply
    1,266,999.36x = 1,900,300.96 × 414,064.32
  4. Step 4: Simplify right side
    1,266,999.36x = 786,846,824,797.75
  5. Step 5: Solve for x
    x = 786,846,824,797.75/1,266,999.36
  6. Step 6: Final answer
    x = 621,031.75

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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.