Home / 1,267,639.94-1,749,356.90-694,667.81

Finding the Fourth Proportional to 1,267,639.94, 1,749,356.90 and 694,667.81

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Solution

The fourth proportional to 1,267,639.94, 1,749,356.90 and 694,667.81 is: 958,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,639.94 : 1,749,356.90 = 694,667.81 : x
  2. Step 2: Convert to fraction form
    1,267,639.94/1,749,356.90 = 694,667.81/x
  3. Step 3: Cross multiply
    1,267,639.94x = 1,749,356.90 × 694,667.81
  4. Step 4: Simplify right side
    1,267,639.94x = 1,215,221,930,136.45
  5. Step 5: Solve for x
    x = 1,215,221,930,136.45/1,267,639.94
  6. Step 6: Final answer
    x = 958,649.13

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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.