Home / 1,443,203.48-2,164,760.56-685,590.24

Finding the Fourth Proportional to 1,443,203.48, 2,164,760.56 and 685,590.24

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Solution

The fourth proportional to 1,443,203.48, 2,164,760.56 and 685,590.24 is: 1,028,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,203.48 : 2,164,760.56 = 685,590.24 : x
  2. Step 2: Convert to fraction form
    1,443,203.48/2,164,760.56 = 685,590.24/x
  3. Step 3: Cross multiply
    1,443,203.48x = 2,164,760.56 × 685,590.24
  4. Step 4: Simplify right side
    1,443,203.48x = 1,484,138,711,872.93
  5. Step 5: Solve for x
    x = 1,484,138,711,872.93/1,443,203.48
  6. Step 6: Final answer
    x = 1,028,364.14

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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.