Home / 1,283,239.46-1,770,685.11-710,278.27

Finding the Fourth Proportional to 1,283,239.46, 1,770,685.11 and 710,278.27

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Solution

The fourth proportional to 1,283,239.46, 1,770,685.11 and 710,278.27 is: 980,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,239.46 : 1,770,685.11 = 710,278.27 : x
  2. Step 2: Convert to fraction form
    1,283,239.46/1,770,685.11 = 710,278.27/x
  3. Step 3: Cross multiply
    1,283,239.46x = 1,770,685.11 × 710,278.27
  4. Step 4: Simplify right side
    1,283,239.46x = 1,257,679,152,218.85
  5. Step 5: Solve for x
    x = 1,257,679,152,218.85/1,283,239.46
  6. Step 6: Final answer
    x = 980,081.42

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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.