Home / 1,040,628.73-1,559,995.80-400,523.80

Finding the Fourth Proportional to 1,040,628.73, 1,559,995.80 and 400,523.80

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Solution

The fourth proportional to 1,040,628.73, 1,559,995.80 and 400,523.80 is: 600,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,628.73 : 1,559,995.80 = 400,523.80 : x
  2. Step 2: Convert to fraction form
    1,040,628.73/1,559,995.80 = 400,523.80/x
  3. Step 3: Cross multiply
    1,040,628.73x = 1,559,995.80 × 400,523.80
  4. Step 4: Simplify right side
    1,040,628.73x = 624,815,445,800.04
  5. Step 5: Solve for x
    x = 624,815,445,800.04/1,040,628.73
  6. Step 6: Final answer
    x = 600,421.10

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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.