Home / 1,213,515.50-1,820,266.77-314,956.58

Finding the Fourth Proportional to 1,213,515.50, 1,820,266.77 and 314,956.58

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Solution

The fourth proportional to 1,213,515.50, 1,820,266.77 and 314,956.58 is: 472,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,515.50 : 1,820,266.77 = 314,956.58 : x
  2. Step 2: Convert to fraction form
    1,213,515.50/1,820,266.77 = 314,956.58/x
  3. Step 3: Cross multiply
    1,213,515.50x = 1,820,266.77 × 314,956.58
  4. Step 4: Simplify right side
    1,213,515.50x = 573,304,996,566.85
  5. Step 5: Solve for x
    x = 573,304,996,566.85/1,213,515.50
  6. Step 6: Final answer
    x = 472,433.19

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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.