Home / 1,431,934.64-2,148,496.77-579,608.80

Finding the Fourth Proportional to 1,431,934.64, 2,148,496.77 and 579,608.80

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Solution

The fourth proportional to 1,431,934.64, 2,148,496.77 and 579,608.80 is: 869,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,934.64 : 2,148,496.77 = 579,608.80 : x
  2. Step 2: Convert to fraction form
    1,431,934.64/2,148,496.77 = 579,608.80/x
  3. Step 3: Cross multiply
    1,431,934.64x = 2,148,496.77 × 579,608.80
  4. Step 4: Simplify right side
    1,431,934.64x = 1,245,287,634,663.58
  5. Step 5: Solve for x
    x = 1,245,287,634,663.58/1,431,934.64
  6. Step 6: Final answer
    x = 869,653.96

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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.