Home / 1,276,871.28-1,761,769.07-841,240.32

Finding the Fourth Proportional to 1,276,871.28, 1,761,769.07 and 841,240.32

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Solution

The fourth proportional to 1,276,871.28, 1,761,769.07 and 841,240.32 is: 1,160,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,871.28 : 1,761,769.07 = 841,240.32 : x
  2. Step 2: Convert to fraction form
    1,276,871.28/1,761,769.07 = 841,240.32/x
  3. Step 3: Cross multiply
    1,276,871.28x = 1,761,769.07 × 841,240.32
  4. Step 4: Simplify right side
    1,276,871.28x = 1,482,071,168,554.72
  5. Step 5: Solve for x
    x = 1,482,071,168,554.72/1,276,871.28
  6. Step 6: Final answer
    x = 1,160,705.23

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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.