Home / 1,181,123.13-1,771,966.88-382,405.52

Finding the Fourth Proportional to 1,181,123.13, 1,771,966.88 and 382,405.52

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Solution

The fourth proportional to 1,181,123.13, 1,771,966.88 and 382,405.52 is: 573,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,123.13 : 1,771,966.88 = 382,405.52 : x
  2. Step 2: Convert to fraction form
    1,181,123.13/1,771,966.88 = 382,405.52/x
  3. Step 3: Cross multiply
    1,181,123.13x = 1,771,966.88 × 382,405.52
  4. Step 4: Simplify right side
    1,181,123.13x = 677,609,922,272.12
  5. Step 5: Solve for x
    x = 677,609,922,272.12/1,181,123.13
  6. Step 6: Final answer
    x = 573,699.64

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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.