Home / 1,458,043.80-2,187,721.80-512,093.40

Finding the Fourth Proportional to 1,458,043.80, 2,187,721.80 and 512,093.40

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Solution

The fourth proportional to 1,458,043.80, 2,187,721.80 and 512,093.40 is: 768,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,043.80 : 2,187,721.80 = 512,093.40 : x
  2. Step 2: Convert to fraction form
    1,458,043.80/2,187,721.80 = 512,093.40/x
  3. Step 3: Cross multiply
    1,458,043.80x = 2,187,721.80 × 512,093.40
  4. Step 4: Simplify right side
    1,458,043.80x = 1,120,317,894,816.12
  5. Step 5: Solve for x
    x = 1,120,317,894,816.12/1,458,043.80
  6. Step 6: Final answer
    x = 768,370.54

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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.