Home / 1,003,079.60-1,504,619.40-666,573.20

Finding the Fourth Proportional to 1,003,079.60, 1,504,619.40 and 666,573.20

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Solution

The fourth proportional to 1,003,079.60, 1,504,619.40 and 666,573.20 is: 999,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,079.60 : 1,504,619.40 = 666,573.20 : x
  2. Step 2: Convert to fraction form
    1,003,079.60/1,504,619.40 = 666,573.20/x
  3. Step 3: Cross multiply
    1,003,079.60x = 1,504,619.40 × 666,573.20
  4. Step 4: Simplify right side
    1,003,079.60x = 1,002,938,968,240.08
  5. Step 5: Solve for x
    x = 1,002,938,968,240.08/1,003,079.60
  6. Step 6: Final answer
    x = 999,859.80

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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.