Home / 1,051,138.37-1,448,867.30-821,294.79

Finding the Fourth Proportional to 1,051,138.37, 1,448,867.30 and 821,294.79

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Solution

The fourth proportional to 1,051,138.37, 1,448,867.30 and 821,294.79 is: 1,132,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,138.37 : 1,448,867.30 = 821,294.79 : x
  2. Step 2: Convert to fraction form
    1,051,138.37/1,448,867.30 = 821,294.79/x
  3. Step 3: Cross multiply
    1,051,138.37x = 1,448,867.30 × 821,294.79
  4. Step 4: Simplify right side
    1,051,138.37x = 1,189,947,160,784.89
  5. Step 5: Solve for x
    x = 1,189,947,160,784.89/1,051,138.37
  6. Step 6: Final answer
    x = 1,132,055.68

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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.