Home / 1,192,521.07-1,646,216.42-784,836.93

Finding the Fourth Proportional to 1,192,521.07, 1,646,216.42 and 784,836.93

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Solution

The fourth proportional to 1,192,521.07, 1,646,216.42 and 784,836.93 is: 1,083,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,521.07 : 1,646,216.42 = 784,836.93 : x
  2. Step 2: Convert to fraction form
    1,192,521.07/1,646,216.42 = 784,836.93/x
  3. Step 3: Cross multiply
    1,192,521.07x = 1,646,216.42 × 784,836.93
  4. Step 4: Simplify right side
    1,192,521.07x = 1,292,011,441,188.39
  5. Step 5: Solve for x
    x = 1,292,011,441,188.39/1,192,521.07
  6. Step 6: Final answer
    x = 1,083,428.61

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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.