Home / 1,492,619.44-2,238,918-427,662.40

Finding the Fourth Proportional to 1,492,619.44, 2,238,918 and 427,662.40

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Solution

The fourth proportional to 1,492,619.44, 2,238,918 and 427,662.40 is: 641,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,619.44 : 2,238,918 = 427,662.40 : x
  2. Step 2: Convert to fraction form
    1,492,619.44/2,238,918 = 427,662.40/x
  3. Step 3: Cross multiply
    1,492,619.44x = 2,238,918 × 427,662.40
  4. Step 4: Simplify right side
    1,492,619.44x = 957,501,045,283.20
  5. Step 5: Solve for x
    x = 957,501,045,283.20/1,492,619.44
  6. Step 6: Final answer
    x = 641,490.40

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1.5x scale

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.