Home / 1,213,644.60-1,820,904.30-1,169,904.60

Finding the Fourth Proportional to 1,213,644.60, 1,820,904.30 and 1,169,904.60

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Solution

The fourth proportional to 1,213,644.60, 1,820,904.30 and 1,169,904.60 is: 1,755,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,644.60 : 1,820,904.30 = 1,169,904.60 : x
  2. Step 2: Convert to fraction form
    1,213,644.60/1,820,904.30 = 1,169,904.60/x
  3. Step 3: Cross multiply
    1,213,644.60x = 1,820,904.30 × 1,169,904.60
  4. Step 4: Simplify right side
    1,213,644.60x = 2,130,284,316,729.78
  5. Step 5: Solve for x
    x = 2,130,284,316,729.78/1,213,644.60
  6. Step 6: Final answer
    x = 1,755,278.54

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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.