Home / 1,112,072.72-1,534,824.30-704,211.80

Finding the Fourth Proportional to 1,112,072.72, 1,534,824.30 and 704,211.80

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Solution

The fourth proportional to 1,112,072.72, 1,534,824.30 and 704,211.80 is: 971,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,072.72 : 1,534,824.30 = 704,211.80 : x
  2. Step 2: Convert to fraction form
    1,112,072.72/1,534,824.30 = 704,211.80/x
  3. Step 3: Cross multiply
    1,112,072.72x = 1,534,824.30 × 704,211.80
  4. Step 4: Simplify right side
    1,112,072.72x = 1,080,841,382,986.74
  5. Step 5: Solve for x
    x = 1,080,841,382,986.74/1,112,072.72
  6. Step 6: Final answer
    x = 971,916.10

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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.