Home / 1,484,869.31-2,049,121.10-805,805.81

Finding the Fourth Proportional to 1,484,869.31, 2,049,121.10 and 805,805.81

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Solution

The fourth proportional to 1,484,869.31, 2,049,121.10 and 805,805.81 is: 1,112,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,869.31 : 2,049,121.10 = 805,805.81 : x
  2. Step 2: Convert to fraction form
    1,484,869.31/2,049,121.10 = 805,805.81/x
  3. Step 3: Cross multiply
    1,484,869.31x = 2,049,121.10 × 805,805.81
  4. Step 4: Simplify right side
    1,484,869.31x = 1,651,193,687,773.59
  5. Step 5: Solve for x
    x = 1,651,193,687,773.59/1,484,869.31
  6. Step 6: Final answer
    x = 1,112,012.81

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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.