Home / 1,180,448.90-1,767,008.01-639,361.32

Finding the Fourth Proportional to 1,180,448.90, 1,767,008.01 and 639,361.32

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Solution

The fourth proportional to 1,180,448.90, 1,767,008.01 and 639,361.32 is: 957,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,448.90 : 1,767,008.01 = 639,361.32 : x
  2. Step 2: Convert to fraction form
    1,180,448.90/1,767,008.01 = 639,361.32/x
  3. Step 3: Cross multiply
    1,180,448.90x = 1,767,008.01 × 639,361.32
  4. Step 4: Simplify right side
    1,180,448.90x = 1,129,756,573,724.17
  5. Step 5: Solve for x
    x = 1,129,756,573,724.17/1,180,448.90
  6. Step 6: Final answer
    x = 957,056.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.