Home / 1,208,703.42-1,668,042.18-664,853.22

Finding the Fourth Proportional to 1,208,703.42, 1,668,042.18 and 664,853.22

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Solution

The fourth proportional to 1,208,703.42, 1,668,042.18 and 664,853.22 is: 917,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,703.42 : 1,668,042.18 = 664,853.22 : x
  2. Step 2: Convert to fraction form
    1,208,703.42/1,668,042.18 = 664,853.22/x
  3. Step 3: Cross multiply
    1,208,703.42x = 1,668,042.18 × 664,853.22
  4. Step 4: Simplify right side
    1,208,703.42x = 1,109,003,214,468.82
  5. Step 5: Solve for x
    x = 1,109,003,214,468.82/1,208,703.42
  6. Step 6: Final answer
    x = 917,514.75

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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.