Home / 1,434,130.56-1,979,064-789,544.32

Finding the Fourth Proportional to 1,434,130.56, 1,979,064 and 789,544.32

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Solution

The fourth proportional to 1,434,130.56, 1,979,064 and 789,544.32 is: 1,089,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,130.56 : 1,979,064 = 789,544.32 : x
  2. Step 2: Convert to fraction form
    1,434,130.56/1,979,064 = 789,544.32/x
  3. Step 3: Cross multiply
    1,434,130.56x = 1,979,064 × 789,544.32
  4. Step 4: Simplify right side
    1,434,130.56x = 1,562,558,740,116.48
  5. Step 5: Solve for x
    x = 1,562,558,740,116.48/1,434,130.56
  6. Step 6: Final answer
    x = 1,089,551.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.