Home / 1,387,644.12-2,081,703.51-476,782.92

Finding the Fourth Proportional to 1,387,644.12, 2,081,703.51 and 476,782.92

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Solution

The fourth proportional to 1,387,644.12, 2,081,703.51 and 476,782.92 is: 715,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,644.12 : 2,081,703.51 = 476,782.92 : x
  2. Step 2: Convert to fraction form
    1,387,644.12/2,081,703.51 = 476,782.92/x
  3. Step 3: Cross multiply
    1,387,644.12x = 2,081,703.51 × 476,782.92
  4. Step 4: Simplify right side
    1,387,644.12x = 992,520,678,072.05
  5. Step 5: Solve for x
    x = 992,520,678,072.05/1,387,644.12
  6. Step 6: Final answer
    x = 715,255.92

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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.