Home / 1,640,266.20-2,460,399.30-922,820.85

Finding the Fourth Proportional to 1,640,266.20, 2,460,399.30 and 922,820.85

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Solution

The fourth proportional to 1,640,266.20, 2,460,399.30 and 922,820.85 is: 1,384,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,266.20 : 2,460,399.30 = 922,820.85 : x
  2. Step 2: Convert to fraction form
    1,640,266.20/2,460,399.30 = 922,820.85/x
  3. Step 3: Cross multiply
    1,640,266.20x = 2,460,399.30 × 922,820.85
  4. Step 4: Simplify right side
    1,640,266.20x = 2,270,507,773,365.40
  5. Step 5: Solve for x
    x = 2,270,507,773,365.40/1,640,266.20
  6. Step 6: Final answer
    x = 1,384,231.28

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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.