Home / 1,702,191.30-2,556,239.40-905,029.80

Finding the Fourth Proportional to 1,702,191.30, 2,556,239.40 and 905,029.80

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Solution

The fourth proportional to 1,702,191.30, 2,556,239.40 and 905,029.80 is: 1,359,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,191.30 : 2,556,239.40 = 905,029.80 : x
  2. Step 2: Convert to fraction form
    1,702,191.30/2,556,239.40 = 905,029.80/x
  3. Step 3: Cross multiply
    1,702,191.30x = 2,556,239.40 × 905,029.80
  4. Step 4: Simplify right side
    1,702,191.30x = 2,313,472,832,934.12
  5. Step 5: Solve for x
    x = 2,313,472,832,934.12/1,702,191.30
  6. Step 6: Final answer
    x = 1,359,114.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.