Home / 1,556,372.25-2,148,793.11-976,390.38

Finding the Fourth Proportional to 1,556,372.25, 2,148,793.11 and 976,390.38

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Solution

The fourth proportional to 1,556,372.25, 2,148,793.11 and 976,390.38 is: 1,348,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,372.25 : 2,148,793.11 = 976,390.38 : x
  2. Step 2: Convert to fraction form
    1,556,372.25/2,148,793.11 = 976,390.38/x
  3. Step 3: Cross multiply
    1,556,372.25x = 2,148,793.11 × 976,390.38
  4. Step 4: Simplify right side
    1,556,372.25x = 2,098,060,921,214.28
  5. Step 5: Solve for x
    x = 2,098,060,921,214.28/1,556,372.25
  6. Step 6: Final answer
    x = 1,348,045.70

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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.