Home / 1,007,368.73-1,390,122.35-548,481.91

Finding the Fourth Proportional to 1,007,368.73, 1,390,122.35 and 548,481.91

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Solution

The fourth proportional to 1,007,368.73, 1,390,122.35 and 548,481.91 is: 756,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,368.73 : 1,390,122.35 = 548,481.91 : x
  2. Step 2: Convert to fraction form
    1,007,368.73/1,390,122.35 = 548,481.91/x
  3. Step 3: Cross multiply
    1,007,368.73x = 1,390,122.35 × 548,481.91
  4. Step 4: Simplify right side
    1,007,368.73x = 762,456,959,282.75
  5. Step 5: Solve for x
    x = 762,456,959,282.75/1,007,368.73
  6. Step 6: Final answer
    x = 756,879.72

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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.