Home / 1,116,849.30-1,540,740.13-657,744.09

Finding the Fourth Proportional to 1,116,849.30, 1,540,740.13 and 657,744.09

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Solution

The fourth proportional to 1,116,849.30, 1,540,740.13 and 657,744.09 is: 907,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,849.30 : 1,540,740.13 = 657,744.09 : x
  2. Step 2: Convert to fraction form
    1,116,849.30/1,540,740.13 = 657,744.09/x
  3. Step 3: Cross multiply
    1,116,849.30x = 1,540,740.13 × 657,744.09
  4. Step 4: Simplify right side
    1,116,849.30x = 1,013,412,723,469.34
  5. Step 5: Solve for x
    x = 1,013,412,723,469.34/1,116,849.30
  6. Step 6: Final answer
    x = 907,385.38

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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.