Home / 1,788,180.10-2,467,717.84-972,399.94

Finding the Fourth Proportional to 1,788,180.10, 2,467,717.84 and 972,399.94

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Solution

The fourth proportional to 1,788,180.10, 2,467,717.84 and 972,399.94 is: 1,341,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,180.10 : 2,467,717.84 = 972,399.94 : x
  2. Step 2: Convert to fraction form
    1,788,180.10/2,467,717.84 = 972,399.94/x
  3. Step 3: Cross multiply
    1,788,180.10x = 2,467,717.84 × 972,399.94
  4. Step 4: Simplify right side
    1,788,180.10x = 2,399,608,679,552.93
  5. Step 5: Solve for x
    x = 2,399,608,679,552.93/1,788,180.10
  6. Step 6: Final answer
    x = 1,341,927.85

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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.