Home / 1,450,127.56-2,001,120.40-805,588.28

Finding the Fourth Proportional to 1,450,127.56, 2,001,120.40 and 805,588.28

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Solution

The fourth proportional to 1,450,127.56, 2,001,120.40 and 805,588.28 is: 1,111,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,127.56 : 2,001,120.40 = 805,588.28 : x
  2. Step 2: Convert to fraction form
    1,450,127.56/2,001,120.40 = 805,588.28/x
  3. Step 3: Cross multiply
    1,450,127.56x = 2,001,120.40 × 805,588.28
  4. Step 4: Simplify right side
    1,450,127.56x = 1,612,079,141,108.91
  5. Step 5: Solve for x
    x = 1,612,079,141,108.91/1,450,127.56
  6. Step 6: Final answer
    x = 1,111,680.92

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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.