Home / 1,007,785.44-1,390,743.86-555,076.44

Finding the Fourth Proportional to 1,007,785.44, 1,390,743.86 and 555,076.44

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Solution

The fourth proportional to 1,007,785.44, 1,390,743.86 and 555,076.44 is: 766,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,785.44 : 1,390,743.86 = 555,076.44 : x
  2. Step 2: Convert to fraction form
    1,007,785.44/1,390,743.86 = 555,076.44/x
  3. Step 3: Cross multiply
    1,007,785.44x = 1,390,743.86 × 555,076.44
  4. Step 4: Simplify right side
    1,007,785.44x = 771,969,147,985.28
  5. Step 5: Solve for x
    x = 771,969,147,985.28/1,007,785.44
  6. Step 6: Final answer
    x = 766,005.46

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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.