Home / 1,105,308.60-1,657,962.90-395,359.80

Finding the Fourth Proportional to 1,105,308.60, 1,657,962.90 and 395,359.80

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Solution

The fourth proportional to 1,105,308.60, 1,657,962.90 and 395,359.80 is: 593,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,308.60 : 1,657,962.90 = 395,359.80 : x
  2. Step 2: Convert to fraction form
    1,105,308.60/1,657,962.90 = 395,359.80/x
  3. Step 3: Cross multiply
    1,105,308.60x = 1,657,962.90 × 395,359.80
  4. Step 4: Simplify right side
    1,105,308.60x = 655,491,880,551.42
  5. Step 5: Solve for x
    x = 655,491,880,551.42/1,105,308.60
  6. Step 6: Final answer
    x = 593,039.70

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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.