Home / 1,192,305.55-1,645,365.76-648,429.63

Finding the Fourth Proportional to 1,192,305.55, 1,645,365.76 and 648,429.63

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Solution

The fourth proportional to 1,192,305.55, 1,645,365.76 and 648,429.63 is: 894,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,305.55 : 1,645,365.76 = 648,429.63 : x
  2. Step 2: Convert to fraction form
    1,192,305.55/1,645,365.76 = 648,429.63/x
  3. Step 3: Cross multiply
    1,192,305.55x = 1,645,365.76 × 648,429.63
  4. Step 4: Simplify right side
    1,192,305.55x = 1,066,903,907,807.86
  5. Step 5: Solve for x
    x = 1,066,903,907,807.86/1,192,305.55
  6. Step 6: Final answer
    x = 894,824.24

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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.