Home / 1,449,838.31-2,000,721.51-805,299.84

Finding the Fourth Proportional to 1,449,838.31, 2,000,721.51 and 805,299.84

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Solution

The fourth proportional to 1,449,838.31, 2,000,721.51 and 805,299.84 is: 1,111,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,838.31 : 2,000,721.51 = 805,299.84 : x
  2. Step 2: Convert to fraction form
    1,449,838.31/2,000,721.51 = 805,299.84/x
  3. Step 3: Cross multiply
    1,449,838.31x = 2,000,721.51 × 805,299.84
  4. Step 4: Simplify right side
    1,449,838.31x = 1,611,180,711,887.56
  5. Step 5: Solve for x
    x = 1,611,180,711,887.56/1,449,838.31
  6. Step 6: Final answer
    x = 1,111,283.04

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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.