Home / 1,399,412.40-2,099,128.35-600,020.16

Finding the Fourth Proportional to 1,399,412.40, 2,099,128.35 and 600,020.16

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Solution

The fourth proportional to 1,399,412.40, 2,099,128.35 and 600,020.16 is: 900,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,412.40 : 2,099,128.35 = 600,020.16 : x
  2. Step 2: Convert to fraction form
    1,399,412.40/2,099,128.35 = 600,020.16/x
  3. Step 3: Cross multiply
    1,399,412.40x = 2,099,128.35 × 600,020.16
  4. Step 4: Simplify right side
    1,399,412.40x = 1,259,519,328,427.54
  5. Step 5: Solve for x
    x = 1,259,519,328,427.54/1,399,412.40
  6. Step 6: Final answer
    x = 900,034.42

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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.