Home / 1,684,429.44-2,324,543.04-920,515.20

Finding the Fourth Proportional to 1,684,429.44, 2,324,543.04 and 920,515.20

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Solution

The fourth proportional to 1,684,429.44, 2,324,543.04 and 920,515.20 is: 1,270,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,429.44 : 2,324,543.04 = 920,515.20 : x
  2. Step 2: Convert to fraction form
    1,684,429.44/2,324,543.04 = 920,515.20/x
  3. Step 3: Cross multiply
    1,684,429.44x = 2,324,543.04 × 920,515.20
  4. Step 4: Simplify right side
    1,684,429.44x = 2,139,777,201,374.21
  5. Step 5: Solve for x
    x = 2,139,777,201,374.21/1,684,429.44
  6. Step 6: Final answer
    x = 1,270,327.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.