Home / 1,315,500.80-1,973,028.64-368,653.60

Finding the Fourth Proportional to 1,315,500.80, 1,973,028.64 and 368,653.60

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Solution

The fourth proportional to 1,315,500.80, 1,973,028.64 and 368,653.60 is: 552,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,500.80 : 1,973,028.64 = 368,653.60 : x
  2. Step 2: Convert to fraction form
    1,315,500.80/1,973,028.64 = 368,653.60/x
  3. Step 3: Cross multiply
    1,315,500.80x = 1,973,028.64 × 368,653.60
  4. Step 4: Simplify right side
    1,315,500.80x = 727,364,111,039.10
  5. Step 5: Solve for x
    x = 727,364,111,039.10/1,315,500.80
  6. Step 6: Final answer
    x = 552,918.03

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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.