Home / 1,500,493.80-2,070,662.09-855,924.76

Finding the Fourth Proportional to 1,500,493.80, 2,070,662.09 and 855,924.76

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Solution

The fourth proportional to 1,500,493.80, 2,070,662.09 and 855,924.76 is: 1,181,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,493.80 : 2,070,662.09 = 855,924.76 : x
  2. Step 2: Convert to fraction form
    1,500,493.80/2,070,662.09 = 855,924.76/x
  3. Step 3: Cross multiply
    1,500,493.80x = 2,070,662.09 × 855,924.76
  4. Step 4: Simplify right side
    1,500,493.80x = 1,772,330,952,424.35
  5. Step 5: Solve for x
    x = 1,772,330,952,424.35/1,500,493.80
  6. Step 6: Final answer
    x = 1,181,165.13

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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.