Home / 1,272,590.72-1,756,159.44-699,625.88

Finding the Fourth Proportional to 1,272,590.72, 1,756,159.44 and 699,625.88

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Solution

The fourth proportional to 1,272,590.72, 1,756,159.44 and 699,625.88 is: 965,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,590.72 : 1,756,159.44 = 699,625.88 : x
  2. Step 2: Convert to fraction form
    1,272,590.72/1,756,159.44 = 699,625.88/x
  3. Step 3: Cross multiply
    1,272,590.72x = 1,756,159.44 × 699,625.88
  4. Step 4: Simplify right side
    1,272,590.72x = 1,228,654,593,630.31
  5. Step 5: Solve for x
    x = 1,228,654,593,630.31/1,272,590.72
  6. Step 6: Final answer
    x = 965,475.05

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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.