Home / 1,085,962.40-1,627,906.80-845,943.20

Finding the Fourth Proportional to 1,085,962.40, 1,627,906.80 and 845,943.20

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Solution

The fourth proportional to 1,085,962.40, 1,627,906.80 and 845,943.20 is: 1,268,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,962.40 : 1,627,906.80 = 845,943.20 : x
  2. Step 2: Convert to fraction form
    1,085,962.40/1,627,906.80 = 845,943.20/x
  3. Step 3: Cross multiply
    1,085,962.40x = 1,627,906.80 × 845,943.20
  4. Step 4: Simplify right side
    1,085,962.40x = 1,377,116,687,693.76
  5. Step 5: Solve for x
    x = 1,377,116,687,693.76/1,085,962.40
  6. Step 6: Final answer
    x = 1,268,107.15

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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.