Home / 1,640,308.70-2,460,463.05-1,043,913.80

Finding the Fourth Proportional to 1,640,308.70, 2,460,463.05 and 1,043,913.80

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Solution

The fourth proportional to 1,640,308.70, 2,460,463.05 and 1,043,913.80 is: 1,565,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,308.70 : 2,460,463.05 = 1,043,913.80 : x
  2. Step 2: Convert to fraction form
    1,640,308.70/2,460,463.05 = 1,043,913.80/x
  3. Step 3: Cross multiply
    1,640,308.70x = 2,460,463.05 × 1,043,913.80
  4. Step 4: Simplify right side
    1,640,308.70x = 2,568,511,332,285.09
  5. Step 5: Solve for x
    x = 2,568,511,332,285.09/1,640,308.70
  6. Step 6: Final answer
    x = 1,565,870.70

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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.