Home / 916,903.80-1,372,245.30-804,929.40

Finding the Fourth Proportional to 916,903.80, 1,372,245.30 and 804,929.40

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Solution

The fourth proportional to 916,903.80, 1,372,245.30 and 804,929.40 is: 1,204,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,903.80 : 1,372,245.30 = 804,929.40 : x
  2. Step 2: Convert to fraction form
    916,903.80/1,372,245.30 = 804,929.40/x
  3. Step 3: Cross multiply
    916,903.80x = 1,372,245.30 × 804,929.40
  4. Step 4: Simplify right side
    916,903.80x = 1,104,560,585,981.82
  5. Step 5: Solve for x
    x = 1,104,560,585,981.82/916,903.80
  6. Step 6: Final answer
    x = 1,204,663.55

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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.