Home / 1,332,914.76-1,839,376.62-760,139.28

Finding the Fourth Proportional to 1,332,914.76, 1,839,376.62 and 760,139.28

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Solution

The fourth proportional to 1,332,914.76, 1,839,376.62 and 760,139.28 is: 1,048,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,914.76 : 1,839,376.62 = 760,139.28 : x
  2. Step 2: Convert to fraction form
    1,332,914.76/1,839,376.62 = 760,139.28/x
  3. Step 3: Cross multiply
    1,332,914.76x = 1,839,376.62 × 760,139.28
  4. Step 4: Simplify right side
    1,332,914.76x = 1,398,182,419,575.63
  5. Step 5: Solve for x
    x = 1,398,182,419,575.63/1,332,914.76
  6. Step 6: Final answer
    x = 1,048,966.12

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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.