Home / 1,122,081.85-1,548,485.27-612,799.21

Finding the Fourth Proportional to 1,122,081.85, 1,548,485.27 and 612,799.21

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Solution

The fourth proportional to 1,122,081.85, 1,548,485.27 and 612,799.21 is: 845,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,081.85 : 1,548,485.27 = 612,799.21 : x
  2. Step 2: Convert to fraction form
    1,122,081.85/1,548,485.27 = 612,799.21/x
  3. Step 3: Cross multiply
    1,122,081.85x = 1,548,485.27 × 612,799.21
  4. Step 4: Simplify right side
    1,122,081.85x = 948,910,547,088.64
  5. Step 5: Solve for x
    x = 948,910,547,088.64/1,122,081.85
  6. Step 6: Final answer
    x = 845,669.63

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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.