Home / 1,617,246.40-2,425,869.60-907,772.80

Finding the Fourth Proportional to 1,617,246.40, 2,425,869.60 and 907,772.80

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Solution

The fourth proportional to 1,617,246.40, 2,425,869.60 and 907,772.80 is: 1,361,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,246.40 : 2,425,869.60 = 907,772.80 : x
  2. Step 2: Convert to fraction form
    1,617,246.40/2,425,869.60 = 907,772.80/x
  3. Step 3: Cross multiply
    1,617,246.40x = 2,425,869.60 × 907,772.80
  4. Step 4: Simplify right side
    1,617,246.40x = 2,202,138,439,226.88
  5. Step 5: Solve for x
    x = 2,202,138,439,226.88/1,617,246.40
  6. Step 6: Final answer
    x = 1,361,659.20

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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.