Home / 1,009,352.45-1,392,937.49-579,718.73

Finding the Fourth Proportional to 1,009,352.45, 1,392,937.49 and 579,718.73

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Solution

The fourth proportional to 1,009,352.45, 1,392,937.49 and 579,718.73 is: 800,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,352.45 : 1,392,937.49 = 579,718.73 : x
  2. Step 2: Convert to fraction form
    1,009,352.45/1,392,937.49 = 579,718.73/x
  3. Step 3: Cross multiply
    1,009,352.45x = 1,392,937.49 × 579,718.73
  4. Step 4: Simplify right side
    1,009,352.45x = 807,511,952,672.19
  5. Step 5: Solve for x
    x = 807,511,952,672.19/1,009,352.45
  6. Step 6: Final answer
    x = 800,029.71

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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.