Home / 1,538,867.79-2,308,348.53-527,975.58

Finding the Fourth Proportional to 1,538,867.79, 2,308,348.53 and 527,975.58

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Solution

The fourth proportional to 1,538,867.79, 2,308,348.53 and 527,975.58 is: 791,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,867.79 : 2,308,348.53 = 527,975.58 : x
  2. Step 2: Convert to fraction form
    1,538,867.79/2,308,348.53 = 527,975.58/x
  3. Step 3: Cross multiply
    1,538,867.79x = 2,308,348.53 × 527,975.58
  4. Step 4: Simplify right side
    1,538,867.79x = 1,218,751,653,968.90
  5. Step 5: Solve for x
    x = 1,218,751,653,968.90/1,538,867.79
  6. Step 6: Final answer
    x = 791,979.44

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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.