Home / 869,116.80-1,303,675.20-729,148.80

Finding the Fourth Proportional to 869,116.80, 1,303,675.20 and 729,148.80

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Solution

The fourth proportional to 869,116.80, 1,303,675.20 and 729,148.80 is: 1,093,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,116.80 : 1,303,675.20 = 729,148.80 : x
  2. Step 2: Convert to fraction form
    869,116.80/1,303,675.20 = 729,148.80/x
  3. Step 3: Cross multiply
    869,116.80x = 1,303,675.20 × 729,148.80
  4. Step 4: Simplify right side
    869,116.80x = 950,573,207,669.76
  5. Step 5: Solve for x
    x = 950,573,207,669.76/869,116.80
  6. Step 6: Final answer
    x = 1,093,723.20

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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.