Home / 1,283,915.51-1,771,781.61-710,943.38

Finding the Fourth Proportional to 1,283,915.51, 1,771,781.61 and 710,943.38

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Solution

The fourth proportional to 1,283,915.51, 1,771,781.61 and 710,943.38 is: 981,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,915.51 : 1,771,781.61 = 710,943.38 : x
  2. Step 2: Convert to fraction form
    1,283,915.51/1,771,781.61 = 710,943.38/x
  3. Step 3: Cross multiply
    1,283,915.51x = 1,771,781.61 × 710,943.38
  4. Step 4: Simplify right side
    1,283,915.51x = 1,259,636,399,353.69
  5. Step 5: Solve for x
    x = 1,259,636,399,353.69/1,283,915.51
  6. Step 6: Final answer
    x = 981,089.79

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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.