Home / 1,528,962.59-2,295,215.56-820,374.59

Finding the Fourth Proportional to 1,528,962.59, 2,295,215.56 and 820,374.59

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Solution

The fourth proportional to 1,528,962.59, 2,295,215.56 and 820,374.59 is: 1,231,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,962.59 : 2,295,215.56 = 820,374.59 : x
  2. Step 2: Convert to fraction form
    1,528,962.59/2,295,215.56 = 820,374.59/x
  3. Step 3: Cross multiply
    1,528,962.59x = 2,295,215.56 × 820,374.59
  4. Step 4: Simplify right side
    1,528,962.59x = 1,882,936,523,996.62
  5. Step 5: Solve for x
    x = 1,882,936,523,996.62/1,528,962.59
  6. Step 6: Final answer
    x = 1,231,512.49

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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.