Home / 1,151,860.92-1,586,972.12-802,672.19

Finding the Fourth Proportional to 1,151,860.92, 1,586,972.12 and 802,672.19

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Solution

The fourth proportional to 1,151,860.92, 1,586,972.12 and 802,672.19 is: 1,105,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,860.92 : 1,586,972.12 = 802,672.19 : x
  2. Step 2: Convert to fraction form
    1,151,860.92/1,586,972.12 = 802,672.19/x
  3. Step 3: Cross multiply
    1,151,860.92x = 1,586,972.12 × 802,672.19
  4. Step 4: Simplify right side
    1,151,860.92x = 1,273,818,381,032.27
  5. Step 5: Solve for x
    x = 1,273,818,381,032.27/1,151,860.92
  6. Step 6: Final answer
    x = 1,105,878.64

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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.