Home / 1,540,637.40-2,310,912.90-699,187.80

Finding the Fourth Proportional to 1,540,637.40, 2,310,912.90 and 699,187.80

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Solution

The fourth proportional to 1,540,637.40, 2,310,912.90 and 699,187.80 is: 1,048,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,637.40 : 2,310,912.90 = 699,187.80 : x
  2. Step 2: Convert to fraction form
    1,540,637.40/2,310,912.90 = 699,187.80/x
  3. Step 3: Cross multiply
    1,540,637.40x = 2,310,912.90 × 699,187.80
  4. Step 4: Simplify right side
    1,540,637.40x = 1,615,762,106,542.62
  5. Step 5: Solve for x
    x = 1,615,762,106,542.62/1,540,637.40
  6. Step 6: Final answer
    x = 1,048,762.09

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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.