Home / 1,109,802.42-1,531,558.13-674,072.64

Finding the Fourth Proportional to 1,109,802.42, 1,531,558.13 and 674,072.64

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Solution

The fourth proportional to 1,109,802.42, 1,531,558.13 and 674,072.64 is: 930,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,802.42 : 1,531,558.13 = 674,072.64 : x
  2. Step 2: Convert to fraction form
    1,109,802.42/1,531,558.13 = 674,072.64/x
  3. Step 3: Cross multiply
    1,109,802.42x = 1,531,558.13 × 674,072.64
  4. Step 4: Simplify right side
    1,109,802.42x = 1,032,381,428,632.20
  5. Step 5: Solve for x
    x = 1,032,381,428,632.20/1,109,802.42
  6. Step 6: Final answer
    x = 930,238.94

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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.