Home / 3,117,578.88-4,676,549.76-873,891.84

Finding the Fourth Proportional to 3,117,578.88, 4,676,549.76 and 873,891.84

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Solution

The fourth proportional to 3,117,578.88, 4,676,549.76 and 873,891.84 is: 1,310,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,578.88 : 4,676,549.76 = 873,891.84 : x
  2. Step 2: Convert to fraction form
    3,117,578.88/4,676,549.76 = 873,891.84/x
  3. Step 3: Cross multiply
    3,117,578.88x = 4,676,549.76 × 873,891.84
  4. Step 4: Simplify right side
    3,117,578.88x = 4,086,798,674,617.96
  5. Step 5: Solve for x
    x = 4,086,798,674,617.96/3,117,578.88
  6. Step 6: Final answer
    x = 1,310,888.62

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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.