Home / 1,545,382.21-2,132,755.11-857,275.92

Finding the Fourth Proportional to 1,545,382.21, 2,132,755.11 and 857,275.92

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Solution

The fourth proportional to 1,545,382.21, 2,132,755.11 and 857,275.92 is: 1,183,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,382.21 : 2,132,755.11 = 857,275.92 : x
  2. Step 2: Convert to fraction form
    1,545,382.21/2,132,755.11 = 857,275.92/x
  3. Step 3: Cross multiply
    1,545,382.21x = 2,132,755.11 × 857,275.92
  4. Step 4: Simplify right side
    1,545,382.21x = 1,828,359,590,539.37
  5. Step 5: Solve for x
    x = 1,828,359,590,539.37/1,545,382.21
  6. Step 6: Final answer
    x = 1,183,111.59

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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.