Home / 1,775,009.70-2,662,514.55-512,964.90

Finding the Fourth Proportional to 1,775,009.70, 2,662,514.55 and 512,964.90

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Solution

The fourth proportional to 1,775,009.70, 2,662,514.55 and 512,964.90 is: 769,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,009.70 : 2,662,514.55 = 512,964.90 : x
  2. Step 2: Convert to fraction form
    1,775,009.70/2,662,514.55 = 512,964.90/x
  3. Step 3: Cross multiply
    1,775,009.70x = 2,662,514.55 × 512,964.90
  4. Step 4: Simplify right side
    1,775,009.70x = 1,365,776,509,889.30
  5. Step 5: Solve for x
    x = 1,365,776,509,889.30/1,775,009.70
  6. Step 6: Final answer
    x = 769,447.35

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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.