Home / 1,301,722.40-1,952,403.60-403,781.60

Finding the Fourth Proportional to 1,301,722.40, 1,952,403.60 and 403,781.60

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Solution

The fourth proportional to 1,301,722.40, 1,952,403.60 and 403,781.60 is: 605,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,722.40 : 1,952,403.60 = 403,781.60 : x
  2. Step 2: Convert to fraction form
    1,301,722.40/1,952,403.60 = 403,781.60/x
  3. Step 3: Cross multiply
    1,301,722.40x = 1,952,403.60 × 403,781.60
  4. Step 4: Simplify right side
    1,301,722.40x = 788,344,649,453.76
  5. Step 5: Solve for x
    x = 788,344,649,453.76/1,301,722.40
  6. Step 6: Final answer
    x = 605,616.57

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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.