Home / 1,556,702.96-2,148,157.44-903,278.39

Finding the Fourth Proportional to 1,556,702.96, 2,148,157.44 and 903,278.39

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Solution

The fourth proportional to 1,556,702.96, 2,148,157.44 and 903,278.39 is: 1,246,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,702.96 : 2,148,157.44 = 903,278.39 : x
  2. Step 2: Convert to fraction form
    1,556,702.96/2,148,157.44 = 903,278.39/x
  3. Step 3: Cross multiply
    1,556,702.96x = 2,148,157.44 × 903,278.39
  4. Step 4: Simplify right side
    1,556,702.96x = 1,940,384,193,869.72
  5. Step 5: Solve for x
    x = 1,940,384,193,869.72/1,556,702.96
  6. Step 6: Final answer
    x = 1,246,470.42

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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.