Home / 1,392,658.69-1,922,210.90-849,094.22

Finding the Fourth Proportional to 1,392,658.69, 1,922,210.90 and 849,094.22

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Solution

The fourth proportional to 1,392,658.69, 1,922,210.90 and 849,094.22 is: 1,171,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,658.69 : 1,922,210.90 = 849,094.22 : x
  2. Step 2: Convert to fraction form
    1,392,658.69/1,922,210.90 = 849,094.22/x
  3. Step 3: Cross multiply
    1,392,658.69x = 1,922,210.90 × 849,094.22
  4. Step 4: Simplify right side
    1,392,658.69x = 1,632,138,164,811.00
  5. Step 5: Solve for x
    x = 1,632,138,164,811.00/1,392,658.69
  6. Step 6: Final answer
    x = 1,171,958.48

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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.