Home / 1,003,987.54-1,505,981.85-630,272.98

Finding the Fourth Proportional to 1,003,987.54, 1,505,981.85 and 630,272.98

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Solution

The fourth proportional to 1,003,987.54, 1,505,981.85 and 630,272.98 is: 945,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,987.54 : 1,505,981.85 = 630,272.98 : x
  2. Step 2: Convert to fraction form
    1,003,987.54/1,505,981.85 = 630,272.98/x
  3. Step 3: Cross multiply
    1,003,987.54x = 1,505,981.85 × 630,272.98
  4. Step 4: Simplify right side
    1,003,987.54x = 949,179,668,425.41
  5. Step 5: Solve for x
    x = 949,179,668,425.41/1,003,987.54
  6. Step 6: Final answer
    x = 945,409.81

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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.