Home / 1,420,528.73-1,959,843.40-808,528.37

Finding the Fourth Proportional to 1,420,528.73, 1,959,843.40 and 808,528.37

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Solution

The fourth proportional to 1,420,528.73, 1,959,843.40 and 808,528.37 is: 1,115,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,528.73 : 1,959,843.40 = 808,528.37 : x
  2. Step 2: Convert to fraction form
    1,420,528.73/1,959,843.40 = 808,528.37/x
  3. Step 3: Cross multiply
    1,420,528.73x = 1,959,843.40 × 808,528.37
  4. Step 4: Simplify right side
    1,420,528.73x = 1,584,588,977,836.72
  5. Step 5: Solve for x
    x = 1,584,588,977,836.72/1,420,528.73
  6. Step 6: Final answer
    x = 1,115,492.39

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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.