Home / 1,296,460.10-1,942,211.55-697,222.10

Finding the Fourth Proportional to 1,296,460.10, 1,942,211.55 and 697,222.10

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Solution

The fourth proportional to 1,296,460.10, 1,942,211.55 and 697,222.10 is: 1,044,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,460.10 : 1,942,211.55 = 697,222.10 : x
  2. Step 2: Convert to fraction form
    1,296,460.10/1,942,211.55 = 697,222.10/x
  3. Step 3: Cross multiply
    1,296,460.10x = 1,942,211.55 × 697,222.10
  4. Step 4: Simplify right side
    1,296,460.10x = 1,354,152,815,535.25
  5. Step 5: Solve for x
    x = 1,354,152,815,535.25/1,296,460.10
  6. Step 6: Final answer
    x = 1,044,500.19

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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.