Home / 1,118,946.60-1,678,638.60-444,913.20

Finding the Fourth Proportional to 1,118,946.60, 1,678,638.60 and 444,913.20

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Solution

The fourth proportional to 1,118,946.60, 1,678,638.60 and 444,913.20 is: 667,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,946.60 : 1,678,638.60 = 444,913.20 : x
  2. Step 2: Convert to fraction form
    1,118,946.60/1,678,638.60 = 444,913.20/x
  3. Step 3: Cross multiply
    1,118,946.60x = 1,678,638.60 × 444,913.20
  4. Step 4: Simplify right side
    1,118,946.60x = 746,848,471,169.52
  5. Step 5: Solve for x
    x = 746,848,471,169.52/1,118,946.60
  6. Step 6: Final answer
    x = 667,456.76

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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.