Home / 1,351,869.32-1,865,452.04-807,896.80

Finding the Fourth Proportional to 1,351,869.32, 1,865,452.04 and 807,896.80

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Solution

The fourth proportional to 1,351,869.32, 1,865,452.04 and 807,896.80 is: 1,114,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,869.32 : 1,865,452.04 = 807,896.80 : x
  2. Step 2: Convert to fraction form
    1,351,869.32/1,865,452.04 = 807,896.80/x
  3. Step 3: Cross multiply
    1,351,869.32x = 1,865,452.04 × 807,896.80
  4. Step 4: Simplify right side
    1,351,869.32x = 1,507,092,733,669.47
  5. Step 5: Solve for x
    x = 1,507,092,733,669.47/1,351,869.32
  6. Step 6: Final answer
    x = 1,114,821.32

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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.