Home / 1,751,210.40-2,626,621.20-489,165.60

Finding the Fourth Proportional to 1,751,210.40, 2,626,621.20 and 489,165.60

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Solution

The fourth proportional to 1,751,210.40, 2,626,621.20 and 489,165.60 is: 733,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,210.40 : 2,626,621.20 = 489,165.60 : x
  2. Step 2: Convert to fraction form
    1,751,210.40/2,626,621.20 = 489,165.60/x
  3. Step 3: Cross multiply
    1,751,210.40x = 2,626,621.20 × 489,165.60
  4. Step 4: Simplify right side
    1,751,210.40x = 1,284,852,735,270.72
  5. Step 5: Solve for x
    x = 1,284,852,735,270.72/1,751,210.40
  6. Step 6: Final answer
    x = 733,694.10

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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.