Home / 1,118,943.11-1,678,412.73-277,494.86

Finding the Fourth Proportional to 1,118,943.11, 1,678,412.73 and 277,494.86

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Solution

The fourth proportional to 1,118,943.11, 1,678,412.73 and 277,494.86 is: 416,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,943.11 : 1,678,412.73 = 277,494.86 : x
  2. Step 2: Convert to fraction form
    1,118,943.11/1,678,412.73 = 277,494.86/x
  3. Step 3: Cross multiply
    1,118,943.11x = 1,678,412.73 × 277,494.86
  4. Step 4: Simplify right side
    1,118,943.11x = 465,750,905,533.57
  5. Step 5: Solve for x
    x = 465,750,905,533.57/1,118,943.11
  6. Step 6: Final answer
    x = 416,241.81

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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.