Home / 1,385,284.80-2,074,173.66-719,037.12

Finding the Fourth Proportional to 1,385,284.80, 2,074,173.66 and 719,037.12

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Solution

The fourth proportional to 1,385,284.80, 2,074,173.66 and 719,037.12 is: 1,076,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,284.80 : 2,074,173.66 = 719,037.12 : x
  2. Step 2: Convert to fraction form
    1,385,284.80/2,074,173.66 = 719,037.12/x
  3. Step 3: Cross multiply
    1,385,284.80x = 2,074,173.66 × 719,037.12
  4. Step 4: Simplify right side
    1,385,284.80x = 1,491,407,854,866.26
  5. Step 5: Solve for x
    x = 1,491,407,854,866.26/1,385,284.80
  6. Step 6: Final answer
    x = 1,076,607.39

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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.