Home / 1,213,758.84-1,670,493.06-890,957.64

Finding the Fourth Proportional to 1,213,758.84, 1,670,493.06 and 890,957.64

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Solution

The fourth proportional to 1,213,758.84, 1,670,493.06 and 890,957.64 is: 1,226,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,758.84 : 1,670,493.06 = 890,957.64 : x
  2. Step 2: Convert to fraction form
    1,213,758.84/1,670,493.06 = 890,957.64/x
  3. Step 3: Cross multiply
    1,213,758.84x = 1,670,493.06 × 890,957.64
  4. Step 4: Simplify right side
    1,213,758.84x = 1,488,338,554,373.98
  5. Step 5: Solve for x
    x = 1,488,338,554,373.98/1,213,758.84
  6. Step 6: Final answer
    x = 1,226,222.63

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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.