Home / 1,089,959.52-1,635,050.76-416,607.60

Finding the Fourth Proportional to 1,089,959.52, 1,635,050.76 and 416,607.60

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Solution

The fourth proportional to 1,089,959.52, 1,635,050.76 and 416,607.60 is: 624,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,959.52 : 1,635,050.76 = 416,607.60 : x
  2. Step 2: Convert to fraction form
    1,089,959.52/1,635,050.76 = 416,607.60/x
  3. Step 3: Cross multiply
    1,089,959.52x = 1,635,050.76 × 416,607.60
  4. Step 4: Simplify right side
    1,089,959.52x = 681,174,573,001.78
  5. Step 5: Solve for x
    x = 681,174,573,001.78/1,089,959.52
  6. Step 6: Final answer
    x = 624,954.01

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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.