Home / 1,609,431.60-2,410,210.80-766,999.20

Finding the Fourth Proportional to 1,609,431.60, 2,410,210.80 and 766,999.20

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Solution

The fourth proportional to 1,609,431.60, 2,410,210.80 and 766,999.20 is: 1,148,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,431.60 : 2,410,210.80 = 766,999.20 : x
  2. Step 2: Convert to fraction form
    1,609,431.60/2,410,210.80 = 766,999.20/x
  3. Step 3: Cross multiply
    1,609,431.60x = 2,410,210.80 × 766,999.20
  4. Step 4: Simplify right side
    1,609,431.60x = 1,848,629,755,431.36
  5. Step 5: Solve for x
    x = 1,848,629,755,431.36/1,609,431.60
  6. Step 6: Final answer
    x = 1,148,622.75

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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.