Home / 1,245,105.70-1,867,658.55-704,807.35

Finding the Fourth Proportional to 1,245,105.70, 1,867,658.55 and 704,807.35

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Solution

The fourth proportional to 1,245,105.70, 1,867,658.55 and 704,807.35 is: 1,057,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,105.70 : 1,867,658.55 = 704,807.35 : x
  2. Step 2: Convert to fraction form
    1,245,105.70/1,867,658.55 = 704,807.35/x
  3. Step 3: Cross multiply
    1,245,105.70x = 1,867,658.55 × 704,807.35
  4. Step 4: Simplify right side
    1,245,105.70x = 1,316,339,473,330.34
  5. Step 5: Solve for x
    x = 1,316,339,473,330.34/1,245,105.70
  6. Step 6: Final answer
    x = 1,057,211.03

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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.