Home / 1,988,870.40-2,983,737.60-726,696

Finding the Fourth Proportional to 1,988,870.40, 2,983,737.60 and 726,696

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Solution

The fourth proportional to 1,988,870.40, 2,983,737.60 and 726,696 is: 1,090,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,870.40 : 2,983,737.60 = 726,696 : x
  2. Step 2: Convert to fraction form
    1,988,870.40/2,983,737.60 = 726,696/x
  3. Step 3: Cross multiply
    1,988,870.40x = 2,983,737.60 × 726,696
  4. Step 4: Simplify right side
    1,988,870.40x = 2,168,270,178,969.60
  5. Step 5: Solve for x
    x = 2,168,270,178,969.60/1,988,870.40
  6. Step 6: Final answer
    x = 1,090,201.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.