Home / 1,198,564.80-1,798,538.40-451,147.20

Finding the Fourth Proportional to 1,198,564.80, 1,798,538.40 and 451,147.20

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Solution

The fourth proportional to 1,198,564.80, 1,798,538.40 and 451,147.20 is: 676,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,564.80 : 1,798,538.40 = 451,147.20 : x
  2. Step 2: Convert to fraction form
    1,198,564.80/1,798,538.40 = 451,147.20/x
  3. Step 3: Cross multiply
    1,198,564.80x = 1,798,538.40 × 451,147.20
  4. Step 4: Simplify right side
    1,198,564.80x = 811,405,563,252.48
  5. Step 5: Solve for x
    x = 811,405,563,252.48/1,198,564.80
  6. Step 6: Final answer
    x = 676,980.97

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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.