Home / 878,493.03-1,209,806.03-823,751.73

Finding the Fourth Proportional to 878,493.03, 1,209,806.03 and 823,751.73

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Solution

The fourth proportional to 878,493.03, 1,209,806.03 and 823,751.73 is: 1,134,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,493.03 : 1,209,806.03 = 823,751.73 : x
  2. Step 2: Convert to fraction form
    878,493.03/1,209,806.03 = 823,751.73/x
  3. Step 3: Cross multiply
    878,493.03x = 1,209,806.03 × 823,751.73
  4. Step 4: Simplify right side
    878,493.03x = 996,579,806,058.17
  5. Step 5: Solve for x
    x = 996,579,806,058.17/878,493.03
  6. Step 6: Final answer
    x = 1,134,419.71

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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.