Home / 1,180,314.40-1,768,138.80-646,880.80

Finding the Fourth Proportional to 1,180,314.40, 1,768,138.80 and 646,880.80

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Solution

The fourth proportional to 1,180,314.40, 1,768,138.80 and 646,880.80 is: 969,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,314.40 : 1,768,138.80 = 646,880.80 : x
  2. Step 2: Convert to fraction form
    1,180,314.40/1,768,138.80 = 646,880.80/x
  3. Step 3: Cross multiply
    1,180,314.40x = 1,768,138.80 × 646,880.80
  4. Step 4: Simplify right side
    1,180,314.40x = 1,143,775,041,455.04
  5. Step 5: Solve for x
    x = 1,143,775,041,455.04/1,180,314.40
  6. Step 6: Final answer
    x = 969,042.69

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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.