Home / 1,072,414.32-1,480,063.08-619,705.32

Finding the Fourth Proportional to 1,072,414.32, 1,480,063.08 and 619,705.32

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Solution

The fourth proportional to 1,072,414.32, 1,480,063.08 and 619,705.32 is: 855,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,414.32 : 1,480,063.08 = 619,705.32 : x
  2. Step 2: Convert to fraction form
    1,072,414.32/1,480,063.08 = 619,705.32/x
  3. Step 3: Cross multiply
    1,072,414.32x = 1,480,063.08 × 619,705.32
  4. Step 4: Simplify right side
    1,072,414.32x = 917,202,964,611.59
  5. Step 5: Solve for x
    x = 917,202,964,611.59/1,072,414.32
  6. Step 6: Final answer
    x = 855,269.23

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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.