Home / 1,283,212.52-1,770,811.85-710,240.39

Finding the Fourth Proportional to 1,283,212.52, 1,770,811.85 and 710,240.39

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Solution

The fourth proportional to 1,283,212.52, 1,770,811.85 and 710,240.39 is: 980,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,212.52 : 1,770,811.85 = 710,240.39 : x
  2. Step 2: Convert to fraction form
    1,283,212.52/1,770,811.85 = 710,240.39/x
  3. Step 3: Cross multiply
    1,283,212.52x = 1,770,811.85 × 710,240.39
  4. Step 4: Simplify right side
    1,283,212.52x = 1,257,702,095,409.42
  5. Step 5: Solve for x
    x = 1,257,702,095,409.42/1,283,212.52
  6. Step 6: Final answer
    x = 980,119.88

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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.