Home / 1,443,560.48-1,992,042.40-823,390.16

Finding the Fourth Proportional to 1,443,560.48, 1,992,042.40 and 823,390.16

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Solution

The fourth proportional to 1,443,560.48, 1,992,042.40 and 823,390.16 is: 1,136,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,560.48 : 1,992,042.40 = 823,390.16 : x
  2. Step 2: Convert to fraction form
    1,443,560.48/1,992,042.40 = 823,390.16/x
  3. Step 3: Cross multiply
    1,443,560.48x = 1,992,042.40 × 823,390.16
  4. Step 4: Simplify right side
    1,443,560.48x = 1,640,228,110,462.78
  5. Step 5: Solve for x
    x = 1,640,228,110,462.78/1,443,560.48
  6. Step 6: Final answer
    x = 1,136,237.89

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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.