Home / 1,387,464.40-2,080,351.80-545,006.80

Finding the Fourth Proportional to 1,387,464.40, 2,080,351.80 and 545,006.80

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Solution

The fourth proportional to 1,387,464.40, 2,080,351.80 and 545,006.80 is: 817,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,464.40 : 2,080,351.80 = 545,006.80 : x
  2. Step 2: Convert to fraction form
    1,387,464.40/2,080,351.80 = 545,006.80/x
  3. Step 3: Cross multiply
    1,387,464.40x = 2,080,351.80 × 545,006.80
  4. Step 4: Simplify right side
    1,387,464.40x = 1,133,805,877,392.24
  5. Step 5: Solve for x
    x = 1,133,805,877,392.24/1,387,464.40
  6. Step 6: Final answer
    x = 817,178.36

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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.