Home / 1,040,206.60-1,560,309.90-977,998.60

Finding the Fourth Proportional to 1,040,206.60, 1,560,309.90 and 977,998.60

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Solution

The fourth proportional to 1,040,206.60, 1,560,309.90 and 977,998.60 is: 1,466,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,206.60 : 1,560,309.90 = 977,998.60 : x
  2. Step 2: Convert to fraction form
    1,040,206.60/1,560,309.90 = 977,998.60/x
  3. Step 3: Cross multiply
    1,040,206.60x = 1,560,309.90 × 977,998.60
  4. Step 4: Simplify right side
    1,040,206.60x = 1,525,980,897,766.14
  5. Step 5: Solve for x
    x = 1,525,980,897,766.14/1,040,206.60
  6. Step 6: Final answer
    x = 1,466,997.90

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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.