Home / 1,122,884.98-1,684,146.74-313,290.38

Finding the Fourth Proportional to 1,122,884.98, 1,684,146.74 and 313,290.38

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Solution

The fourth proportional to 1,122,884.98, 1,684,146.74 and 313,290.38 is: 469,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,884.98 : 1,684,146.74 = 313,290.38 : x
  2. Step 2: Convert to fraction form
    1,122,884.98/1,684,146.74 = 313,290.38/x
  3. Step 3: Cross multiply
    1,122,884.98x = 1,684,146.74 × 313,290.38
  4. Step 4: Simplify right side
    1,122,884.98x = 527,626,974,794.28
  5. Step 5: Solve for x
    x = 527,626,974,794.28/1,122,884.98
  6. Step 6: Final answer
    x = 469,885.15

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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.