Home / 1,372,521.83-1,894,080.09-760,766.49

Finding the Fourth Proportional to 1,372,521.83, 1,894,080.09 and 760,766.49

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Solution

The fourth proportional to 1,372,521.83, 1,894,080.09 and 760,766.49 is: 1,049,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,521.83 : 1,894,080.09 = 760,766.49 : x
  2. Step 2: Convert to fraction form
    1,372,521.83/1,894,080.09 = 760,766.49/x
  3. Step 3: Cross multiply
    1,372,521.83x = 1,894,080.09 × 760,766.49
  4. Step 4: Simplify right side
    1,372,521.83x = 1,440,952,661,848.18
  5. Step 5: Solve for x
    x = 1,440,952,661,848.18/1,372,521.83
  6. Step 6: Final answer
    x = 1,049,857.74

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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.