Home / 1,126,023.44-1,553,662.68-666,908.96

Finding the Fourth Proportional to 1,126,023.44, 1,553,662.68 and 666,908.96

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Solution

The fourth proportional to 1,126,023.44, 1,553,662.68 and 666,908.96 is: 920,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,023.44 : 1,553,662.68 = 666,908.96 : x
  2. Step 2: Convert to fraction form
    1,126,023.44/1,553,662.68 = 666,908.96/x
  3. Step 3: Cross multiply
    1,126,023.44x = 1,553,662.68 × 666,908.96
  4. Step 4: Simplify right side
    1,126,023.44x = 1,036,151,562,109.61
  5. Step 5: Solve for x
    x = 1,036,151,562,109.61/1,126,023.44
  6. Step 6: Final answer
    x = 920,186.49

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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.