Home / 1,945,125.90-2,684,276.82-1,085,685.93

Finding the Fourth Proportional to 1,945,125.90, 2,684,276.82 and 1,085,685.93

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Solution

The fourth proportional to 1,945,125.90, 2,684,276.82 and 1,085,685.93 is: 1,498,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,125.90 : 2,684,276.82 = 1,085,685.93 : x
  2. Step 2: Convert to fraction form
    1,945,125.90/2,684,276.82 = 1,085,685.93/x
  3. Step 3: Cross multiply
    1,945,125.90x = 2,684,276.82 × 1,085,685.93
  4. Step 4: Simplify right side
    1,945,125.90x = 2,914,281,575,699.14
  5. Step 5: Solve for x
    x = 2,914,281,575,699.14/1,945,125.90
  6. Step 6: Final answer
    x = 1,498,248.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.