Home / 1,261,304.20-1,740,656.40-710,209.42

Finding the Fourth Proportional to 1,261,304.20, 1,740,656.40 and 710,209.42

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Solution

The fourth proportional to 1,261,304.20, 1,740,656.40 and 710,209.42 is: 980,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,304.20 : 1,740,656.40 = 710,209.42 : x
  2. Step 2: Convert to fraction form
    1,261,304.20/1,740,656.40 = 710,209.42/x
  3. Step 3: Cross multiply
    1,261,304.20x = 1,740,656.40 × 710,209.42
  4. Step 4: Simplify right side
    1,261,304.20x = 1,236,230,575,039.55
  5. Step 5: Solve for x
    x = 1,236,230,575,039.55/1,261,304.20
  6. Step 6: Final answer
    x = 980,120.87

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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.