Home / 1,797,928.80-2,698,640.40-1,402,869.60

Finding the Fourth Proportional to 1,797,928.80, 2,698,640.40 and 1,402,869.60

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Solution

The fourth proportional to 1,797,928.80, 2,698,640.40 and 1,402,869.60 is: 2,105,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,928.80 : 2,698,640.40 = 1,402,869.60 : x
  2. Step 2: Convert to fraction form
    1,797,928.80/2,698,640.40 = 1,402,869.60/x
  3. Step 3: Cross multiply
    1,797,928.80x = 2,698,640.40 × 1,402,869.60
  4. Step 4: Simplify right side
    1,797,928.80x = 3,785,840,578,491.84
  5. Step 5: Solve for x
    x = 3,785,840,578,491.84/1,797,928.80
  6. Step 6: Final answer
    x = 2,105,667.69

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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.