Home / 1,429,020.07-1,972,039.93-784,451.23

Finding the Fourth Proportional to 1,429,020.07, 1,972,039.93 and 784,451.23

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Solution

The fourth proportional to 1,429,020.07, 1,972,039.93 and 784,451.23 is: 1,082,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,020.07 : 1,972,039.93 = 784,451.23 : x
  2. Step 2: Convert to fraction form
    1,429,020.07/1,972,039.93 = 784,451.23/x
  3. Step 3: Cross multiply
    1,429,020.07x = 1,972,039.93 × 784,451.23
  4. Step 4: Simplify right side
    1,429,020.07x = 1,546,969,141,806.39
  5. Step 5: Solve for x
    x = 1,546,969,141,806.39/1,429,020.07
  6. Step 6: Final answer
    x = 1,082,538.43

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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.