Home / 833,419.80-1,250,129.70-798,427.80

Finding the Fourth Proportional to 833,419.80, 1,250,129.70 and 798,427.80

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Solution

The fourth proportional to 833,419.80, 1,250,129.70 and 798,427.80 is: 1,197,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,419.80 : 1,250,129.70 = 798,427.80 : x
  2. Step 2: Convert to fraction form
    833,419.80/1,250,129.70 = 798,427.80/x
  3. Step 3: Cross multiply
    833,419.80x = 1,250,129.70 × 798,427.80
  4. Step 4: Simplify right side
    833,419.80x = 998,138,306,085.66
  5. Step 5: Solve for x
    x = 998,138,306,085.66/833,419.80
  6. Step 6: Final answer
    x = 1,197,641.70

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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.