Home / 1,267,740.30-1,749,471.57-694,779.11

Finding the Fourth Proportional to 1,267,740.30, 1,749,471.57 and 694,779.11

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Solution

The fourth proportional to 1,267,740.30, 1,749,471.57 and 694,779.11 is: 958,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,740.30 : 1,749,471.57 = 694,779.11 : x
  2. Step 2: Convert to fraction form
    1,267,740.30/1,749,471.57 = 694,779.11/x
  3. Step 3: Cross multiply
    1,267,740.30x = 1,749,471.57 × 694,779.11
  4. Step 4: Simplify right side
    1,267,740.30x = 1,215,496,300,374.90
  5. Step 5: Solve for x
    x = 1,215,496,300,374.90/1,267,740.30
  6. Step 6: Final answer
    x = 958,789.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.