Home / 1,283,918.49-1,771,785.72-710,946.36

Finding the Fourth Proportional to 1,283,918.49, 1,771,785.72 and 710,946.36

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Solution

The fourth proportional to 1,283,918.49, 1,771,785.72 and 710,946.36 is: 981,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,918.49 : 1,771,785.72 = 710,946.36 : x
  2. Step 2: Convert to fraction form
    1,283,918.49/1,771,785.72 = 710,946.36/x
  3. Step 3: Cross multiply
    1,283,918.49x = 1,771,785.72 × 710,946.36
  4. Step 4: Simplify right side
    1,283,918.49x = 1,259,644,608,333.98
  5. Step 5: Solve for x
    x = 1,259,644,608,333.98/1,283,918.49
  6. Step 6: Final answer
    x = 981,093.91

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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.