Home / 1,609,824.40-2,416,291.80-979,968.40

Finding the Fourth Proportional to 1,609,824.40, 2,416,291.80 and 979,968.40

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Solution

The fourth proportional to 1,609,824.40, 2,416,291.80 and 979,968.40 is: 1,470,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,824.40 : 2,416,291.80 = 979,968.40 : x
  2. Step 2: Convert to fraction form
    1,609,824.40/2,416,291.80 = 979,968.40/x
  3. Step 3: Cross multiply
    1,609,824.40x = 2,416,291.80 × 979,968.40
  4. Step 4: Simplify right side
    1,609,824.40x = 2,367,889,609,179.12
  5. Step 5: Solve for x
    x = 2,367,889,609,179.12/1,609,824.40
  6. Step 6: Final answer
    x = 1,470,899.32

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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.