Home / 1,283,909.74-1,771,794.33-710,949.89

Finding the Fourth Proportional to 1,283,909.74, 1,771,794.33 and 710,949.89

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Solution

The fourth proportional to 1,283,909.74, 1,771,794.33 and 710,949.89 is: 981,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,909.74 : 1,771,794.33 = 710,949.89 : x
  2. Step 2: Convert to fraction form
    1,283,909.74/1,771,794.33 = 710,949.89/x
  3. Step 3: Cross multiply
    1,283,909.74x = 1,771,794.33 × 710,949.89
  4. Step 4: Simplify right side
    1,283,909.74x = 1,259,656,984,016.12
  5. Step 5: Solve for x
    x = 1,259,656,984,016.12/1,283,909.74
  6. Step 6: Final answer
    x = 981,110.23

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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.