Home / 1,163,217.09-1,604,584.14-679,679.59

Finding the Fourth Proportional to 1,163,217.09, 1,604,584.14 and 679,679.59

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Solution

The fourth proportional to 1,163,217.09, 1,604,584.14 and 679,679.59 is: 937,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,217.09 : 1,604,584.14 = 679,679.59 : x
  2. Step 2: Convert to fraction form
    1,163,217.09/1,604,584.14 = 679,679.59/x
  3. Step 3: Cross multiply
    1,163,217.09x = 1,604,584.14 × 679,679.59
  4. Step 4: Simplify right side
    1,163,217.09x = 1,090,603,090,395.70
  5. Step 5: Solve for x
    x = 1,090,603,090,395.70/1,163,217.09
  6. Step 6: Final answer
    x = 937,574.85

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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.