Home / 1,071,802.28-1,606,202.30-805,392.92

Finding the Fourth Proportional to 1,071,802.28, 1,606,202.30 and 805,392.92

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Solution

The fourth proportional to 1,071,802.28, 1,606,202.30 and 805,392.92 is: 1,206,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,802.28 : 1,606,202.30 = 805,392.92 : x
  2. Step 2: Convert to fraction form
    1,071,802.28/1,606,202.30 = 805,392.92/x
  3. Step 3: Cross multiply
    1,071,802.28x = 1,606,202.30 × 805,392.92
  4. Step 4: Simplify right side
    1,071,802.28x = 1,293,623,960,507.72
  5. Step 5: Solve for x
    x = 1,293,623,960,507.72/1,071,802.28
  6. Step 6: Final answer
    x = 1,206,961.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.