Home / 1,220,460.78-1,830,020.46-969,349.44

Finding the Fourth Proportional to 1,220,460.78, 1,830,020.46 and 969,349.44

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Solution

The fourth proportional to 1,220,460.78, 1,830,020.46 and 969,349.44 is: 1,453,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,460.78 : 1,830,020.46 = 969,349.44 : x
  2. Step 2: Convert to fraction form
    1,220,460.78/1,830,020.46 = 969,349.44/x
  3. Step 3: Cross multiply
    1,220,460.78x = 1,830,020.46 × 969,349.44
  4. Step 4: Simplify right side
    1,220,460.78x = 1,773,929,308,089.54
  5. Step 5: Solve for x
    x = 1,773,929,308,089.54/1,220,460.78
  6. Step 6: Final answer
    x = 1,453,491.45

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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.