Home / 916,460.80-1,373,524.80-816,150.40

Finding the Fourth Proportional to 916,460.80, 1,373,524.80 and 816,150.40

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Solution

The fourth proportional to 916,460.80, 1,373,524.80 and 816,150.40 is: 1,223,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,460.80 : 1,373,524.80 = 816,150.40 : x
  2. Step 2: Convert to fraction form
    916,460.80/1,373,524.80 = 816,150.40/x
  3. Step 3: Cross multiply
    916,460.80x = 1,373,524.80 × 816,150.40
  4. Step 4: Simplify right side
    916,460.80x = 1,121,002,814,929.92
  5. Step 5: Solve for x
    x = 1,121,002,814,929.92/916,460.80
  6. Step 6: Final answer
    x = 1,223,186.87

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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.