Home / 1,057,284.71-1,457,950.02-627,481.80

Finding the Fourth Proportional to 1,057,284.71, 1,457,950.02 and 627,481.80

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Solution

The fourth proportional to 1,057,284.71, 1,457,950.02 and 627,481.80 is: 865,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,284.71 : 1,457,950.02 = 627,481.80 : x
  2. Step 2: Convert to fraction form
    1,057,284.71/1,457,950.02 = 627,481.80/x
  3. Step 3: Cross multiply
    1,057,284.71x = 1,457,950.02 × 627,481.80
  4. Step 4: Simplify right side
    1,057,284.71x = 914,837,099,722.23
  5. Step 5: Solve for x
    x = 914,837,099,722.23/1,057,284.71
  6. Step 6: Final answer
    x = 865,270.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.