Home / 1,121,044.73-1,681,357.55-300,393

Finding the Fourth Proportional to 1,121,044.73, 1,681,357.55 and 300,393

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Solution

The fourth proportional to 1,121,044.73, 1,681,357.55 and 300,393 is: 450,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,044.73 : 1,681,357.55 = 300,393 : x
  2. Step 2: Convert to fraction form
    1,121,044.73/1,681,357.55 = 300,393/x
  3. Step 3: Cross multiply
    1,121,044.73x = 1,681,357.55 × 300,393
  4. Step 4: Simplify right side
    1,121,044.73x = 505,068,037,015.19
  5. Step 5: Solve for x
    x = 505,068,037,015.19/1,121,044.73
  6. Step 6: Final answer
    x = 450,533.35

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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.