Home / 1,556,045.92-2,147,514.16-902,815.76

Finding the Fourth Proportional to 1,556,045.92, 2,147,514.16 and 902,815.76

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Solution

The fourth proportional to 1,556,045.92, 2,147,514.16 and 902,815.76 is: 1,245,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,045.92 : 2,147,514.16 = 902,815.76 : x
  2. Step 2: Convert to fraction form
    1,556,045.92/2,147,514.16 = 902,815.76/x
  3. Step 3: Cross multiply
    1,556,045.92x = 2,147,514.16 × 902,815.76
  4. Step 4: Simplify right side
    1,556,045.92x = 1,938,809,628,471.16
  5. Step 5: Solve for x
    x = 1,938,809,628,471.16/1,556,045.92
  6. Step 6: Final answer
    x = 1,245,984.84

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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.