Home / 1,481,775.40-2,223,699.90-640,930.60

Finding the Fourth Proportional to 1,481,775.40, 2,223,699.90 and 640,930.60

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Solution

The fourth proportional to 1,481,775.40, 2,223,699.90 and 640,930.60 is: 961,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,775.40 : 2,223,699.90 = 640,930.60 : x
  2. Step 2: Convert to fraction form
    1,481,775.40/2,223,699.90 = 640,930.60/x
  3. Step 3: Cross multiply
    1,481,775.40x = 2,223,699.90 × 640,930.60
  4. Step 4: Simplify right side
    1,481,775.40x = 1,425,237,311,126.94
  5. Step 5: Solve for x
    x = 1,425,237,311,126.94/1,481,775.40
  6. Step 6: Final answer
    x = 961,844.36

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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.