Home / 1,118,917.60-1,678,198.20-370,963.60

Finding the Fourth Proportional to 1,118,917.60, 1,678,198.20 and 370,963.60

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Solution

The fourth proportional to 1,118,917.60, 1,678,198.20 and 370,963.60 is: 556,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,917.60 : 1,678,198.20 = 370,963.60 : x
  2. Step 2: Convert to fraction form
    1,118,917.60/1,678,198.20 = 370,963.60/x
  3. Step 3: Cross multiply
    1,118,917.60x = 1,678,198.20 × 370,963.60
  4. Step 4: Simplify right side
    1,118,917.60x = 622,550,445,785.52
  5. Step 5: Solve for x
    x = 622,550,445,785.52/1,118,917.60
  6. Step 6: Final answer
    x = 556,386.32

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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.