Home / 1,463,016.51-2,018,965.75-818,447.47

Finding the Fourth Proportional to 1,463,016.51, 2,018,965.75 and 818,447.47

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Solution

The fourth proportional to 1,463,016.51, 2,018,965.75 and 818,447.47 is: 1,129,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,016.51 : 2,018,965.75 = 818,447.47 : x
  2. Step 2: Convert to fraction form
    1,463,016.51/2,018,965.75 = 818,447.47/x
  3. Step 3: Cross multiply
    1,463,016.51x = 2,018,965.75 × 818,447.47
  4. Step 4: Simplify right side
    1,463,016.51x = 1,652,417,403,010.62
  5. Step 5: Solve for x
    x = 1,652,417,403,010.62/1,463,016.51
  6. Step 6: Final answer
    x = 1,129,459.16

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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.