Home / 1,812,254.40-2,719,936.80-802,929.60

Finding the Fourth Proportional to 1,812,254.40, 2,719,936.80 and 802,929.60

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Solution

The fourth proportional to 1,812,254.40, 2,719,936.80 and 802,929.60 is: 1,205,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,254.40 : 2,719,936.80 = 802,929.60 : x
  2. Step 2: Convert to fraction form
    1,812,254.40/2,719,936.80 = 802,929.60/x
  3. Step 3: Cross multiply
    1,812,254.40x = 2,719,936.80 × 802,929.60
  4. Step 4: Simplify right side
    1,812,254.40x = 2,183,917,766,849.28
  5. Step 5: Solve for x
    x = 2,183,917,766,849.28/1,812,254.40
  6. Step 6: Final answer
    x = 1,205,083.44

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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.