Home / 1,175,051.88-1,621,567.62-665,851.32

Finding the Fourth Proportional to 1,175,051.88, 1,621,567.62 and 665,851.32

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Solution

The fourth proportional to 1,175,051.88, 1,621,567.62 and 665,851.32 is: 918,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,051.88 : 1,621,567.62 = 665,851.32 : x
  2. Step 2: Convert to fraction form
    1,175,051.88/1,621,567.62 = 665,851.32/x
  3. Step 3: Cross multiply
    1,175,051.88x = 1,621,567.62 × 665,851.32
  4. Step 4: Simplify right side
    1,175,051.88x = 1,079,722,940,246.26
  5. Step 5: Solve for x
    x = 1,079,722,940,246.26/1,175,051.88
  6. Step 6: Final answer
    x = 918,872.57

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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.