Home / 1,191,649.92-1,786,911.84-432,962.64

Finding the Fourth Proportional to 1,191,649.92, 1,786,911.84 and 432,962.64

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Solution

The fourth proportional to 1,191,649.92, 1,786,911.84 and 432,962.64 is: 649,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,649.92 : 1,786,911.84 = 432,962.64 : x
  2. Step 2: Convert to fraction form
    1,191,649.92/1,786,911.84 = 432,962.64/x
  3. Step 3: Cross multiply
    1,191,649.92x = 1,786,911.84 × 432,962.64
  4. Step 4: Simplify right side
    1,191,649.92x = 773,666,067,693.66
  5. Step 5: Solve for x
    x = 773,666,067,693.66/1,191,649.92
  6. Step 6: Final answer
    x = 649,239.39

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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.