Home / 1,267,645.63-1,749,364.76-694,673.50

Finding the Fourth Proportional to 1,267,645.63, 1,749,364.76 and 694,673.50

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Solution

The fourth proportional to 1,267,645.63, 1,749,364.76 and 694,673.50 is: 958,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,645.63 : 1,749,364.76 = 694,673.50 : x
  2. Step 2: Convert to fraction form
    1,267,645.63/1,749,364.76 = 694,673.50/x
  3. Step 3: Cross multiply
    1,267,645.63x = 1,749,364.76 × 694,673.50
  4. Step 4: Simplify right side
    1,267,645.63x = 1,215,237,340,605.86
  5. Step 5: Solve for x
    x = 1,215,237,340,605.86/1,267,645.63
  6. Step 6: Final answer
    x = 958,656.99

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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.