Home / 1,118,947.60-1,678,640.10-444,914.20

Finding the Fourth Proportional to 1,118,947.60, 1,678,640.10 and 444,914.20

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Solution

The fourth proportional to 1,118,947.60, 1,678,640.10 and 444,914.20 is: 667,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,947.60 : 1,678,640.10 = 444,914.20 : x
  2. Step 2: Convert to fraction form
    1,118,947.60/1,678,640.10 = 444,914.20/x
  3. Step 3: Cross multiply
    1,118,947.60x = 1,678,640.10 × 444,914.20
  4. Step 4: Simplify right side
    1,118,947.60x = 746,850,817,179.42
  5. Step 5: Solve for x
    x = 746,850,817,179.42/1,118,947.60
  6. Step 6: Final answer
    x = 667,458.26

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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.