Home / 1,126,092.66-1,689,138.56-452,173.76

Finding the Fourth Proportional to 1,126,092.66, 1,689,138.56 and 452,173.76

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Solution

The fourth proportional to 1,126,092.66, 1,689,138.56 and 452,173.76 is: 678,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,092.66 : 1,689,138.56 = 452,173.76 : x
  2. Step 2: Convert to fraction form
    1,126,092.66/1,689,138.56 = 452,173.76/x
  3. Step 3: Cross multiply
    1,126,092.66x = 1,689,138.56 × 452,173.76
  4. Step 4: Simplify right side
    1,126,092.66x = 763,784,133,836.19
  5. Step 5: Solve for x
    x = 763,784,133,836.19/1,126,092.66
  6. Step 6: Final answer
    x = 678,260.47

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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.