Home / 1,061,164.60-1,464,180.10-631,360.78

Finding the Fourth Proportional to 1,061,164.60, 1,464,180.10 and 631,360.78

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Solution

The fourth proportional to 1,061,164.60, 1,464,180.10 and 631,360.78 is: 871,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,164.60 : 1,464,180.10 = 631,360.78 : x
  2. Step 2: Convert to fraction form
    1,061,164.60/1,464,180.10 = 631,360.78/x
  3. Step 3: Cross multiply
    1,061,164.60x = 1,464,180.10 × 631,360.78
  4. Step 4: Simplify right side
    1,061,164.60x = 924,425,884,757.63
  5. Step 5: Solve for x
    x = 924,425,884,757.63/1,061,164.60
  6. Step 6: Final answer
    x = 871,142.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.