Home / 1,470,611.34-2,204,009.79-660,397.50

Finding the Fourth Proportional to 1,470,611.34, 2,204,009.79 and 660,397.50

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Solution

The fourth proportional to 1,470,611.34, 2,204,009.79 and 660,397.50 is: 989,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,611.34 : 2,204,009.79 = 660,397.50 : x
  2. Step 2: Convert to fraction form
    1,470,611.34/2,204,009.79 = 660,397.50/x
  3. Step 3: Cross multiply
    1,470,611.34x = 2,204,009.79 × 660,397.50
  4. Step 4: Simplify right side
    1,470,611.34x = 1,455,522,555,291.53
  5. Step 5: Solve for x
    x = 1,455,522,555,291.53/1,470,611.34
  6. Step 6: Final answer
    x = 989,739.79

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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.