Home / 1,141,287-1,574,956.60-631,978.44

Finding the Fourth Proportional to 1,141,287, 1,574,956.60 and 631,978.44

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Solution

The fourth proportional to 1,141,287, 1,574,956.60 and 631,978.44 is: 872,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,287 : 1,574,956.60 = 631,978.44 : x
  2. Step 2: Convert to fraction form
    1,141,287/1,574,956.60 = 631,978.44/x
  3. Step 3: Cross multiply
    1,141,287x = 1,574,956.60 × 631,978.44
  4. Step 4: Simplify right side
    1,141,287x = 995,338,615,135.70
  5. Step 5: Solve for x
    x = 995,338,615,135.70/1,141,287
  6. Step 6: Final answer
    x = 872,119.47

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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.