Home / 1,014,164.36-1,399,493.55-555,190.98

Finding the Fourth Proportional to 1,014,164.36, 1,399,493.55 and 555,190.98

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Solution

The fourth proportional to 1,014,164.36, 1,399,493.55 and 555,190.98 is: 766,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,164.36 : 1,399,493.55 = 555,190.98 : x
  2. Step 2: Convert to fraction form
    1,014,164.36/1,399,493.55 = 555,190.98/x
  3. Step 3: Cross multiply
    1,014,164.36x = 1,399,493.55 × 555,190.98
  4. Step 4: Simplify right side
    1,014,164.36x = 776,986,189,239.10
  5. Step 5: Solve for x
    x = 776,986,189,239.10/1,014,164.36
  6. Step 6: Final answer
    x = 766,134.38

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.