Home / 1,448,728.48-1,999,032.16-804,153.60

Finding the Fourth Proportional to 1,448,728.48, 1,999,032.16 and 804,153.60

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Solution

The fourth proportional to 1,448,728.48, 1,999,032.16 and 804,153.60 is: 1,109,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,728.48 : 1,999,032.16 = 804,153.60 : x
  2. Step 2: Convert to fraction form
    1,448,728.48/1,999,032.16 = 804,153.60/x
  3. Step 3: Cross multiply
    1,448,728.48x = 1,999,032.16 × 804,153.60
  4. Step 4: Simplify right side
    1,448,728.48x = 1,607,528,907,979.78
  5. Step 5: Solve for x
    x = 1,607,528,907,979.78/1,448,728.48
  6. Step 6: Final answer
    x = 1,109,613.66

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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.