Home / 1,009,941.44-1,392,458.54-646,768.22

Finding the Fourth Proportional to 1,009,941.44, 1,392,458.54 and 646,768.22

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Solution

The fourth proportional to 1,009,941.44, 1,392,458.54 and 646,768.22 is: 891,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,941.44 : 1,392,458.54 = 646,768.22 : x
  2. Step 2: Convert to fraction form
    1,009,941.44/1,392,458.54 = 646,768.22/x
  3. Step 3: Cross multiply
    1,009,941.44x = 1,392,458.54 × 646,768.22
  4. Step 4: Simplify right side
    1,009,941.44x = 900,597,921,143.47
  5. Step 5: Solve for x
    x = 900,597,921,143.47/1,009,941.44
  6. Step 6: Final answer
    x = 891,732.82

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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.