Home / 1,283,871.31-1,771,720.77-710,899.18

Finding the Fourth Proportional to 1,283,871.31, 1,771,720.77 and 710,899.18

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Solution

The fourth proportional to 1,283,871.31, 1,771,720.77 and 710,899.18 is: 981,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,871.31 : 1,771,720.77 = 710,899.18 : x
  2. Step 2: Convert to fraction form
    1,283,871.31/1,771,720.77 = 710,899.18/x
  3. Step 3: Cross multiply
    1,283,871.31x = 1,771,720.77 × 710,899.18
  4. Step 4: Simplify right side
    1,283,871.31x = 1,259,514,842,581.97
  5. Step 5: Solve for x
    x = 1,259,514,842,581.97/1,283,871.31
  6. Step 6: Final answer
    x = 981,028.89

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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.