Home / 1,750,478.40-2,625,717.60-628,660.80

Finding the Fourth Proportional to 1,750,478.40, 2,625,717.60 and 628,660.80

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Solution

The fourth proportional to 1,750,478.40, 2,625,717.60 and 628,660.80 is: 942,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,478.40 : 2,625,717.60 = 628,660.80 : x
  2. Step 2: Convert to fraction form
    1,750,478.40/2,625,717.60 = 628,660.80/x
  3. Step 3: Cross multiply
    1,750,478.40x = 2,625,717.60 × 628,660.80
  4. Step 4: Simplify right side
    1,750,478.40x = 1,650,685,726,990.08
  5. Step 5: Solve for x
    x = 1,650,685,726,990.08/1,750,478.40
  6. Step 6: Final answer
    x = 942,991.20

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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.