Home / 1,844,590.80-2,767,404.60-780,142.80

Finding the Fourth Proportional to 1,844,590.80, 2,767,404.60 and 780,142.80

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Solution

The fourth proportional to 1,844,590.80, 2,767,404.60 and 780,142.80 is: 1,170,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,590.80 : 2,767,404.60 = 780,142.80 : x
  2. Step 2: Convert to fraction form
    1,844,590.80/2,767,404.60 = 780,142.80/x
  3. Step 3: Cross multiply
    1,844,590.80x = 2,767,404.60 × 780,142.80
  4. Step 4: Simplify right side
    1,844,590.80x = 2,158,970,773,376.88
  5. Step 5: Solve for x
    x = 2,158,970,773,376.88/1,844,590.80
  6. Step 6: Final answer
    x = 1,170,433.45

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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.