Home / 1,127,990.37-1,556,975.22-725,582.37

Finding the Fourth Proportional to 1,127,990.37, 1,556,975.22 and 725,582.37

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Solution

The fourth proportional to 1,127,990.37, 1,556,975.22 and 725,582.37 is: 1,001,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,990.37 : 1,556,975.22 = 725,582.37 : x
  2. Step 2: Convert to fraction form
    1,127,990.37/1,556,975.22 = 725,582.37/x
  3. Step 3: Cross multiply
    1,127,990.37x = 1,556,975.22 × 725,582.37
  4. Step 4: Simplify right side
    1,127,990.37x = 1,129,713,770,158.87
  5. Step 5: Solve for x
    x = 1,129,713,770,158.87/1,127,990.37
  6. Step 6: Final answer
    x = 1,001,527.85

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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.