Home / 1,640,385.60-2,460,578.40-741,856.65

Finding the Fourth Proportional to 1,640,385.60, 2,460,578.40 and 741,856.65

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Solution

The fourth proportional to 1,640,385.60, 2,460,578.40 and 741,856.65 is: 1,112,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,385.60 : 2,460,578.40 = 741,856.65 : x
  2. Step 2: Convert to fraction form
    1,640,385.60/2,460,578.40 = 741,856.65/x
  3. Step 3: Cross multiply
    1,640,385.60x = 2,460,578.40 × 741,856.65
  4. Step 4: Simplify right side
    1,640,385.60x = 1,825,396,448,886.36
  5. Step 5: Solve for x
    x = 1,825,396,448,886.36/1,640,385.60
  6. Step 6: Final answer
    x = 1,112,784.98

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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.