Home / 1,158,878.40-1,738,317.60-654,993.60

Finding the Fourth Proportional to 1,158,878.40, 1,738,317.60 and 654,993.60

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Solution

The fourth proportional to 1,158,878.40, 1,738,317.60 and 654,993.60 is: 982,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,878.40 : 1,738,317.60 = 654,993.60 : x
  2. Step 2: Convert to fraction form
    1,158,878.40/1,738,317.60 = 654,993.60/x
  3. Step 3: Cross multiply
    1,158,878.40x = 1,738,317.60 × 654,993.60
  4. Step 4: Simplify right side
    1,158,878.40x = 1,138,586,902,767.36
  5. Step 5: Solve for x
    x = 1,138,586,902,767.36/1,158,878.40
  6. Step 6: Final answer
    x = 982,490.40

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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.