Home / 1,192,047.30-1,645,001.87-648,178.47

Finding the Fourth Proportional to 1,192,047.30, 1,645,001.87 and 648,178.47

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Solution

The fourth proportional to 1,192,047.30, 1,645,001.87 and 648,178.47 is: 894,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,047.30 : 1,645,001.87 = 648,178.47 : x
  2. Step 2: Convert to fraction form
    1,192,047.30/1,645,001.87 = 648,178.47/x
  3. Step 3: Cross multiply
    1,192,047.30x = 1,645,001.87 × 648,178.47
  4. Step 4: Simplify right side
    1,192,047.30x = 1,066,254,792,002.85
  5. Step 5: Solve for x
    x = 1,066,254,792,002.85/1,192,047.30
  6. Step 6: Final answer
    x = 894,473.56

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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.