Home / 1,461,157.45-2,016,486.80-816,629.11

Finding the Fourth Proportional to 1,461,157.45, 2,016,486.80 and 816,629.11

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Solution

The fourth proportional to 1,461,157.45, 2,016,486.80 and 816,629.11 is: 1,126,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,157.45 : 2,016,486.80 = 816,629.11 : x
  2. Step 2: Convert to fraction form
    1,461,157.45/2,016,486.80 = 816,629.11/x
  3. Step 3: Cross multiply
    1,461,157.45x = 2,016,486.80 × 816,629.11
  4. Step 4: Simplify right side
    1,461,157.45x = 1,646,721,814,748.75
  5. Step 5: Solve for x
    x = 1,646,721,814,748.75/1,461,157.45
  6. Step 6: Final answer
    x = 1,126,998.20

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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.