Home / 1,274,234.80-1,911,352.20-707,364.40

Finding the Fourth Proportional to 1,274,234.80, 1,911,352.20 and 707,364.40

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Solution

The fourth proportional to 1,274,234.80, 1,911,352.20 and 707,364.40 is: 1,061,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,234.80 : 1,911,352.20 = 707,364.40 : x
  2. Step 2: Convert to fraction form
    1,274,234.80/1,911,352.20 = 707,364.40/x
  3. Step 3: Cross multiply
    1,274,234.80x = 1,911,352.20 × 707,364.40
  4. Step 4: Simplify right side
    1,274,234.80x = 1,352,022,502,141.68
  5. Step 5: Solve for x
    x = 1,352,022,502,141.68/1,274,234.80
  6. Step 6: Final answer
    x = 1,061,046.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.