Home / 1,774,973.72-2,662,460.42-427,136.49

Finding the Fourth Proportional to 1,774,973.72, 2,662,460.42 and 427,136.49

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Solution

The fourth proportional to 1,774,973.72, 2,662,460.42 and 427,136.49 is: 640,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,973.72 : 2,662,460.42 = 427,136.49 : x
  2. Step 2: Convert to fraction form
    1,774,973.72/2,662,460.42 = 427,136.49/x
  3. Step 3: Cross multiply
    1,774,973.72x = 2,662,460.42 × 427,136.49
  4. Step 4: Simplify right side
    1,774,973.72x = 1,137,233,996,427.04
  5. Step 5: Solve for x
    x = 1,137,233,996,427.04/1,774,973.72
  6. Step 6: Final answer
    x = 640,704.69

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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.