Home / 917,830.20-1,375,400.70-823,060.20

Finding the Fourth Proportional to 917,830.20, 1,375,400.70 and 823,060.20

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Solution

The fourth proportional to 917,830.20, 1,375,400.70 and 823,060.20 is: 1,233,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,830.20 : 1,375,400.70 = 823,060.20 : x
  2. Step 2: Convert to fraction form
    917,830.20/1,375,400.70 = 823,060.20/x
  3. Step 3: Cross multiply
    917,830.20x = 1,375,400.70 × 823,060.20
  4. Step 4: Simplify right side
    917,830.20x = 1,132,037,575,222.14
  5. Step 5: Solve for x
    x = 1,132,037,575,222.14/917,830.20
  6. Step 6: Final answer
    x = 1,233,384.54

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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.