Home / 1,180,339.40-1,768,176.30-646,905.80

Finding the Fourth Proportional to 1,180,339.40, 1,768,176.30 and 646,905.80

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Solution

The fourth proportional to 1,180,339.40, 1,768,176.30 and 646,905.80 is: 969,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,339.40 : 1,768,176.30 = 646,905.80 : x
  2. Step 2: Convert to fraction form
    1,180,339.40/1,768,176.30 = 646,905.80/x
  3. Step 3: Cross multiply
    1,180,339.40x = 1,768,176.30 × 646,905.80
  4. Step 4: Simplify right side
    1,180,339.40x = 1,143,843,503,892.54
  5. Step 5: Solve for x
    x = 1,143,843,503,892.54/1,180,339.40
  6. Step 6: Final answer
    x = 969,080.17

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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.