Home / 1,545,426.44-2,132,694.72-857,162.55

Finding the Fourth Proportional to 1,545,426.44, 2,132,694.72 and 857,162.55

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Solution

The fourth proportional to 1,545,426.44, 2,132,694.72 and 857,162.55 is: 1,182,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,426.44 : 2,132,694.72 = 857,162.55 : x
  2. Step 2: Convert to fraction form
    1,545,426.44/2,132,694.72 = 857,162.55/x
  3. Step 3: Cross multiply
    1,545,426.44x = 2,132,694.72 × 857,162.55
  4. Step 4: Simplify right side
    1,545,426.44x = 1,828,066,044,566.74
  5. Step 5: Solve for x
    x = 1,828,066,044,566.74/1,545,426.44
  6. Step 6: Final answer
    x = 1,182,887.78

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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.