Home / 1,283,871.64-1,771,721.16-710,899.48

Finding the Fourth Proportional to 1,283,871.64, 1,771,721.16 and 710,899.48

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Solution

The fourth proportional to 1,283,871.64, 1,771,721.16 and 710,899.48 is: 981,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,871.64 : 1,771,721.16 = 710,899.48 : x
  2. Step 2: Convert to fraction form
    1,283,871.64/1,771,721.16 = 710,899.48/x
  3. Step 3: Cross multiply
    1,283,871.64x = 1,771,721.16 × 710,899.48
  4. Step 4: Simplify right side
    1,283,871.64x = 1,259,515,651,349.00
  5. Step 5: Solve for x
    x = 1,259,515,651,349.00/1,283,871.64
  6. Step 6: Final answer
    x = 981,029.27

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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.