Home / 1,057,287.21-1,457,953.47-627,484.31

Finding the Fourth Proportional to 1,057,287.21, 1,457,953.47 and 627,484.31

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Solution

The fourth proportional to 1,057,287.21, 1,457,953.47 and 627,484.31 is: 865,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,287.21 : 1,457,953.47 = 627,484.31 : x
  2. Step 2: Convert to fraction form
    1,057,287.21/1,457,953.47 = 627,484.31/x
  3. Step 3: Cross multiply
    1,057,287.21x = 1,457,953.47 × 627,484.31
  4. Step 4: Simplify right side
    1,057,287.21x = 914,842,919,845.29
  5. Step 5: Solve for x
    x = 914,842,919,845.29/1,057,287.21
  6. Step 6: Final answer
    x = 865,273.80

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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.