Home / 1,089,346.80-1,635,575.40-616,954.80

Finding the Fourth Proportional to 1,089,346.80, 1,635,575.40 and 616,954.80

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Solution

The fourth proportional to 1,089,346.80, 1,635,575.40 and 616,954.80 is: 926,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,346.80 : 1,635,575.40 = 616,954.80 : x
  2. Step 2: Convert to fraction form
    1,089,346.80/1,635,575.40 = 616,954.80/x
  3. Step 3: Cross multiply
    1,089,346.80x = 1,635,575.40 × 616,954.80
  4. Step 4: Simplify right side
    1,089,346.80x = 1,009,076,093,791.92
  5. Step 5: Solve for x
    x = 1,009,076,093,791.92/1,089,346.80
  6. Step 6: Final answer
    x = 926,312.99

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1.5x scale

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.