Home / 1,372,276.60-1,893,752.82-760,439.57

Finding the Fourth Proportional to 1,372,276.60, 1,893,752.82 and 760,439.57

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Solution

The fourth proportional to 1,372,276.60, 1,893,752.82 and 760,439.57 is: 1,049,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,276.60 : 1,893,752.82 = 760,439.57 : x
  2. Step 2: Convert to fraction form
    1,372,276.60/1,893,752.82 = 760,439.57/x
  3. Step 3: Cross multiply
    1,372,276.60x = 1,893,752.82 × 760,439.57
  4. Step 4: Simplify right side
    1,372,276.60x = 1,440,084,580,127.09
  5. Step 5: Solve for x
    x = 1,440,084,580,127.09/1,372,276.60
  6. Step 6: Final answer
    x = 1,049,412.77

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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.