Home / 1,617,187.80-2,422,865.70-773,880.60

Finding the Fourth Proportional to 1,617,187.80, 2,422,865.70 and 773,880.60

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Solution

The fourth proportional to 1,617,187.80, 2,422,865.70 and 773,880.60 is: 1,159,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,187.80 : 2,422,865.70 = 773,880.60 : x
  2. Step 2: Convert to fraction form
    1,617,187.80/2,422,865.70 = 773,880.60/x
  3. Step 3: Cross multiply
    1,617,187.80x = 2,422,865.70 × 773,880.60
  4. Step 4: Simplify right side
    1,617,187.80x = 1,875,008,761,635.42
  5. Step 5: Solve for x
    x = 1,875,008,761,635.42/1,617,187.80
  6. Step 6: Final answer
    x = 1,159,425.49

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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.