Home / 1,261,654.18-1,741,022.10-717,738.98

Finding the Fourth Proportional to 1,261,654.18, 1,741,022.10 and 717,738.98

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Solution

The fourth proportional to 1,261,654.18, 1,741,022.10 and 717,738.98 is: 990,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,654.18 : 1,741,022.10 = 717,738.98 : x
  2. Step 2: Convert to fraction form
    1,261,654.18/1,741,022.10 = 717,738.98/x
  3. Step 3: Cross multiply
    1,261,654.18x = 1,741,022.10 × 717,738.98
  4. Step 4: Simplify right side
    1,261,654.18x = 1,249,599,417,506.35
  5. Step 5: Solve for x
    x = 1,249,599,417,506.35/1,261,654.18
  6. Step 6: Final answer
    x = 990,445.27

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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.