Home / 1,372,385.30-1,893,837.04-760,564.22

Finding the Fourth Proportional to 1,372,385.30, 1,893,837.04 and 760,564.22

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Solution

The fourth proportional to 1,372,385.30, 1,893,837.04 and 760,564.22 is: 1,049,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,385.30 : 1,893,837.04 = 760,564.22 : x
  2. Step 2: Convert to fraction form
    1,372,385.30/1,893,837.04 = 760,564.22/x
  3. Step 3: Cross multiply
    1,372,385.30x = 1,893,837.04 × 760,564.22
  4. Step 4: Simplify right side
    1,372,385.30x = 1,440,384,679,764.11
  5. Step 5: Solve for x
    x = 1,440,384,679,764.11/1,372,385.30
  6. Step 6: Final answer
    x = 1,049,548.32

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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.