Home / 1,545,535.82-2,132,948.50-857,427.86

Finding the Fourth Proportional to 1,545,535.82, 2,132,948.50 and 857,427.86

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Solution

The fourth proportional to 1,545,535.82, 2,132,948.50 and 857,427.86 is: 1,183,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,535.82 : 2,132,948.50 = 857,427.86 : x
  2. Step 2: Convert to fraction form
    1,545,535.82/2,132,948.50 = 857,427.86/x
  3. Step 3: Cross multiply
    1,545,535.82x = 2,132,948.50 × 857,427.86
  4. Step 4: Simplify right side
    1,545,535.82x = 1,828,849,467,845.21
  5. Step 5: Solve for x
    x = 1,828,849,467,845.21/1,545,535.82
  6. Step 6: Final answer
    x = 1,183,310.96

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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.