Home / 858,794.80-1,288,192.20-753,818.80

Finding the Fourth Proportional to 858,794.80, 1,288,192.20 and 753,818.80

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Solution

The fourth proportional to 858,794.80, 1,288,192.20 and 753,818.80 is: 1,130,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,794.80 : 1,288,192.20 = 753,818.80 : x
  2. Step 2: Convert to fraction form
    858,794.80/1,288,192.20 = 753,818.80/x
  3. Step 3: Cross multiply
    858,794.80x = 1,288,192.20 × 753,818.80
  4. Step 4: Simplify right side
    858,794.80x = 971,063,498,373.36
  5. Step 5: Solve for x
    x = 971,063,498,373.36/858,794.80
  6. Step 6: Final answer
    x = 1,130,728.20

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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.