Home / 1,175,008.44-1,621,549.62-665,699.88

Finding the Fourth Proportional to 1,175,008.44, 1,621,549.62 and 665,699.88

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Solution

The fourth proportional to 1,175,008.44, 1,621,549.62 and 665,699.88 is: 918,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,008.44 : 1,621,549.62 = 665,699.88 : x
  2. Step 2: Convert to fraction form
    1,175,008.44/1,621,549.62 = 665,699.88/x
  3. Step 3: Cross multiply
    1,175,008.44x = 1,621,549.62 × 665,699.88
  4. Step 4: Simplify right side
    1,175,008.44x = 1,079,465,387,448.05
  5. Step 5: Solve for x
    x = 1,079,465,387,448.05/1,175,008.44
  6. Step 6: Final answer
    x = 918,687.35

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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.