Home / 1,178,384.93-1,768,352.50-646,279.60

Finding the Fourth Proportional to 1,178,384.93, 1,768,352.50 and 646,279.60

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Solution

The fourth proportional to 1,178,384.93, 1,768,352.50 and 646,279.60 is: 969,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,384.93 : 1,768,352.50 = 646,279.60 : x
  2. Step 2: Convert to fraction form
    1,178,384.93/1,768,352.50 = 646,279.60/x
  3. Step 3: Cross multiply
    1,178,384.93x = 1,768,352.50 × 646,279.60
  4. Step 4: Simplify right side
    1,178,384.93x = 1,142,850,137,517.24
  5. Step 5: Solve for x
    x = 1,142,850,137,517.24/1,178,384.93
  6. Step 6: Final answer
    x = 969,844.50

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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.