Home / 1,078,190.40-1,617,285.60-962,068.80

Finding the Fourth Proportional to 1,078,190.40, 1,617,285.60 and 962,068.80

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Solution

The fourth proportional to 1,078,190.40, 1,617,285.60 and 962,068.80 is: 1,443,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,190.40 : 1,617,285.60 = 962,068.80 : x
  2. Step 2: Convert to fraction form
    1,078,190.40/1,617,285.60 = 962,068.80/x
  3. Step 3: Cross multiply
    1,078,190.40x = 1,617,285.60 × 962,068.80
  4. Step 4: Simplify right side
    1,078,190.40x = 1,555,940,016,449.28
  5. Step 5: Solve for x
    x = 1,555,940,016,449.28/1,078,190.40
  6. Step 6: Final answer
    x = 1,443,103.20

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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.