Home / 1,265,677.65-1,746,425.21-721,852.97

Finding the Fourth Proportional to 1,265,677.65, 1,746,425.21 and 721,852.97

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Solution

The fourth proportional to 1,265,677.65, 1,746,425.21 and 721,852.97 is: 996,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,677.65 : 1,746,425.21 = 721,852.97 : x
  2. Step 2: Convert to fraction form
    1,265,677.65/1,746,425.21 = 721,852.97/x
  3. Step 3: Cross multiply
    1,265,677.65x = 1,746,425.21 × 721,852.97
  4. Step 4: Simplify right side
    1,265,677.65x = 1,260,662,212,379.98
  5. Step 5: Solve for x
    x = 1,260,662,212,379.98/1,265,677.65
  6. Step 6: Final answer
    x = 996,037.35

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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.