Home / 1,538,908.61-2,308,253.56-473,839.61

Finding the Fourth Proportional to 1,538,908.61, 2,308,253.56 and 473,839.61

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Solution

The fourth proportional to 1,538,908.61, 2,308,253.56 and 473,839.61 is: 710,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,908.61 : 2,308,253.56 = 473,839.61 : x
  2. Step 2: Convert to fraction form
    1,538,908.61/2,308,253.56 = 473,839.61/x
  3. Step 3: Cross multiply
    1,538,908.61x = 2,308,253.56 × 473,839.61
  4. Step 4: Simplify right side
    1,538,908.61x = 1,093,741,953,925.64
  5. Step 5: Solve for x
    x = 1,093,741,953,925.64/1,538,908.61
  6. Step 6: Final answer
    x = 710,725.74

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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.