Home / 1,448,544.95-1,999,359.48-989,845.19

Finding the Fourth Proportional to 1,448,544.95, 1,999,359.48 and 989,845.19

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Solution

The fourth proportional to 1,448,544.95, 1,999,359.48 and 989,845.19 is: 1,366,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,544.95 : 1,999,359.48 = 989,845.19 : x
  2. Step 2: Convert to fraction form
    1,448,544.95/1,999,359.48 = 989,845.19/x
  3. Step 3: Cross multiply
    1,448,544.95x = 1,999,359.48 × 989,845.19
  4. Step 4: Simplify right side
    1,448,544.95x = 1,979,056,354,362.10
  5. Step 5: Solve for x
    x = 1,979,056,354,362.10/1,448,544.95
  6. Step 6: Final answer
    x = 1,366,237.45

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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.