Home / 1,338,893.62-2,007,913.96-440,128.20

Finding the Fourth Proportional to 1,338,893.62, 2,007,913.96 and 440,128.20

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Solution

The fourth proportional to 1,338,893.62, 2,007,913.96 and 440,128.20 is: 660,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,893.62 : 2,007,913.96 = 440,128.20 : x
  2. Step 2: Convert to fraction form
    1,338,893.62/2,007,913.96 = 440,128.20/x
  3. Step 3: Cross multiply
    1,338,893.62x = 2,007,913.96 × 440,128.20
  4. Step 4: Simplify right side
    1,338,893.62x = 883,739,552,104.51
  5. Step 5: Solve for x
    x = 883,739,552,104.51/1,338,893.62
  6. Step 6: Final answer
    x = 660,052.11

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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.