Home / 1,118,943.12-1,678,412.72-277,494.86

Finding the Fourth Proportional to 1,118,943.12, 1,678,412.72 and 277,494.86

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Solution

The fourth proportional to 1,118,943.12, 1,678,412.72 and 277,494.86 is: 416,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,943.12 : 1,678,412.72 = 277,494.86 : x
  2. Step 2: Convert to fraction form
    1,118,943.12/1,678,412.72 = 277,494.86/x
  3. Step 3: Cross multiply
    1,118,943.12x = 1,678,412.72 × 277,494.86
  4. Step 4: Simplify right side
    1,118,943.12x = 465,750,902,758.62
  5. Step 5: Solve for x
    x = 465,750,902,758.62/1,118,943.12
  6. Step 6: Final answer
    x = 416,241.80

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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.