Home / 1,009,936.86-1,392,452.28-646,763.64

Finding the Fourth Proportional to 1,009,936.86, 1,392,452.28 and 646,763.64

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Solution

The fourth proportional to 1,009,936.86, 1,392,452.28 and 646,763.64 is: 891,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,936.86 : 1,392,452.28 = 646,763.64 : x
  2. Step 2: Convert to fraction form
    1,009,936.86/1,392,452.28 = 646,763.64/x
  3. Step 3: Cross multiply
    1,009,936.86x = 1,392,452.28 × 646,763.64
  4. Step 4: Simplify right side
    1,009,936.86x = 900,587,505,139.10
  5. Step 5: Solve for x
    x = 900,587,505,139.10/1,009,936.86
  6. Step 6: Final answer
    x = 891,726.54

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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.