Home / 1,640,596.20-2,460,894.30-1,039,608.60

Finding the Fourth Proportional to 1,640,596.20, 2,460,894.30 and 1,039,608.60

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Solution

The fourth proportional to 1,640,596.20, 2,460,894.30 and 1,039,608.60 is: 1,559,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,596.20 : 2,460,894.30 = 1,039,608.60 : x
  2. Step 2: Convert to fraction form
    1,640,596.20/2,460,894.30 = 1,039,608.60/x
  3. Step 3: Cross multiply
    1,640,596.20x = 2,460,894.30 × 1,039,608.60
  4. Step 4: Simplify right side
    1,640,596.20x = 2,558,366,877,970.98
  5. Step 5: Solve for x
    x = 2,558,366,877,970.98/1,640,596.20
  6. Step 6: Final answer
    x = 1,559,412.90

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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.