Home / 1,007,648.82-1,390,504.05-554,852.34

Finding the Fourth Proportional to 1,007,648.82, 1,390,504.05 and 554,852.34

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Solution

The fourth proportional to 1,007,648.82, 1,390,504.05 and 554,852.34 is: 765,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,648.82 : 1,390,504.05 = 554,852.34 : x
  2. Step 2: Convert to fraction form
    1,007,648.82/1,390,504.05 = 554,852.34/x
  3. Step 3: Cross multiply
    1,007,648.82x = 1,390,504.05 × 554,852.34
  4. Step 4: Simplify right side
    1,007,648.82x = 771,524,425,921.98
  5. Step 5: Solve for x
    x = 771,524,425,921.98/1,007,648.82
  6. Step 6: Final answer
    x = 765,667.97

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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.