Home / 1,348,466.82-2,022,686.40-779,485.89

Finding the Fourth Proportional to 1,348,466.82, 2,022,686.40 and 779,485.89

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Solution

The fourth proportional to 1,348,466.82, 2,022,686.40 and 779,485.89 is: 1,169,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,466.82 : 2,022,686.40 = 779,485.89 : x
  2. Step 2: Convert to fraction form
    1,348,466.82/2,022,686.40 = 779,485.89/x
  3. Step 3: Cross multiply
    1,348,466.82x = 2,022,686.40 × 779,485.89
  4. Step 4: Simplify right side
    1,348,466.82x = 1,576,655,508,694.90
  5. Step 5: Solve for x
    x = 1,576,655,508,694.90/1,348,466.82
  6. Step 6: Final answer
    x = 1,169,220.84

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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.