Home / 947,019.20-1,418,973.60-788,388.80

Finding the Fourth Proportional to 947,019.20, 1,418,973.60 and 788,388.80

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Solution

The fourth proportional to 947,019.20, 1,418,973.60 and 788,388.80 is: 1,181,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,019.20 : 1,418,973.60 = 788,388.80 : x
  2. Step 2: Convert to fraction form
    947,019.20/1,418,973.60 = 788,388.80/x
  3. Step 3: Cross multiply
    947,019.20x = 1,418,973.60 × 788,388.80
  4. Step 4: Simplify right side
    947,019.20x = 1,118,702,893,735.68
  5. Step 5: Solve for x
    x = 1,118,702,893,735.68/947,019.20
  6. Step 6: Final answer
    x = 1,181,288.50

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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.