Home / 1,988,798.40-2,983,629.60-726,624

Finding the Fourth Proportional to 1,988,798.40, 2,983,629.60 and 726,624

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Solution

The fourth proportional to 1,988,798.40, 2,983,629.60 and 726,624 is: 1,090,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,798.40 : 2,983,629.60 = 726,624 : x
  2. Step 2: Convert to fraction form
    1,988,798.40/2,983,629.60 = 726,624/x
  3. Step 3: Cross multiply
    1,988,798.40x = 2,983,629.60 × 726,624
  4. Step 4: Simplify right side
    1,988,798.40x = 2,167,976,874,470.40
  5. Step 5: Solve for x
    x = 2,167,976,874,470.40/1,988,798.40
  6. Step 6: Final answer
    x = 1,090,093.83

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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.