Home / 1,545,425.69-2,132,693.69-857,161.80

Finding the Fourth Proportional to 1,545,425.69, 2,132,693.69 and 857,161.80

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Solution

The fourth proportional to 1,545,425.69, 2,132,693.69 and 857,161.80 is: 1,182,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,425.69 : 2,132,693.69 = 857,161.80 : x
  2. Step 2: Convert to fraction form
    1,545,425.69/2,132,693.69 = 857,161.80/x
  3. Step 3: Cross multiply
    1,545,425.69x = 2,132,693.69 × 857,161.80
  4. Step 4: Simplify right side
    1,545,425.69x = 1,828,063,557,883.23
  5. Step 5: Solve for x
    x = 1,828,063,557,883.23/1,545,425.69
  6. Step 6: Final answer
    x = 1,182,886.74

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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.