Home / 1,072,687.59-1,609,010.28-432,974.34

Finding the Fourth Proportional to 1,072,687.59, 1,609,010.28 and 432,974.34

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Solution

The fourth proportional to 1,072,687.59, 1,609,010.28 and 432,974.34 is: 649,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,687.59 : 1,609,010.28 = 432,974.34 : x
  2. Step 2: Convert to fraction form
    1,072,687.59/1,609,010.28 = 432,974.34/x
  3. Step 3: Cross multiply
    1,072,687.59x = 1,609,010.28 × 432,974.34
  4. Step 4: Simplify right side
    1,072,687.59x = 696,660,164,036.22
  5. Step 5: Solve for x
    x = 696,660,164,036.22/1,072,687.59
  6. Step 6: Final answer
    x = 649,452.99

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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.