Home / 1,447,138.35-1,996,920.06-802,556.55

Finding the Fourth Proportional to 1,447,138.35, 1,996,920.06 and 802,556.55

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Solution

The fourth proportional to 1,447,138.35, 1,996,920.06 and 802,556.55 is: 1,107,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,138.35 : 1,996,920.06 = 802,556.55 : x
  2. Step 2: Convert to fraction form
    1,447,138.35/1,996,920.06 = 802,556.55/x
  3. Step 3: Cross multiply
    1,447,138.35x = 1,996,920.06 × 802,556.55
  4. Step 4: Simplify right side
    1,447,138.35x = 1,602,641,273,979.39
  5. Step 5: Solve for x
    x = 1,602,641,273,979.39/1,447,138.35
  6. Step 6: Final answer
    x = 1,107,455.46

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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.