Home / 1,085,965.40-1,627,911.30-845,946.20

Finding the Fourth Proportional to 1,085,965.40, 1,627,911.30 and 845,946.20

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Solution

The fourth proportional to 1,085,965.40, 1,627,911.30 and 845,946.20 is: 1,268,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,965.40 : 1,627,911.30 = 845,946.20 : x
  2. Step 2: Convert to fraction form
    1,085,965.40/1,627,911.30 = 845,946.20/x
  3. Step 3: Cross multiply
    1,085,965.40x = 1,627,911.30 × 845,946.20
  4. Step 4: Simplify right side
    1,085,965.40x = 1,377,125,378,172.06
  5. Step 5: Solve for x
    x = 1,377,125,378,172.06/1,085,965.40
  6. Step 6: Final answer
    x = 1,268,111.65

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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.