Home / 1,602,566.97-2,405,026.57-1,290,788.25

Finding the Fourth Proportional to 1,602,566.97, 2,405,026.57 and 1,290,788.25

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Solution

The fourth proportional to 1,602,566.97, 2,405,026.57 and 1,290,788.25 is: 1,937,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,566.97 : 2,405,026.57 = 1,290,788.25 : x
  2. Step 2: Convert to fraction form
    1,602,566.97/2,405,026.57 = 1,290,788.25/x
  3. Step 3: Cross multiply
    1,602,566.97x = 2,405,026.57 × 1,290,788.25
  4. Step 4: Simplify right side
    1,602,566.97x = 3,104,380,037,493.80
  5. Step 5: Solve for x
    x = 3,104,380,037,493.80/1,602,566.97
  6. Step 6: Final answer
    x = 1,937,129.68

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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.