Home / 1,551,343.80-2,327,015.70-429,412.80

Finding the Fourth Proportional to 1,551,343.80, 2,327,015.70 and 429,412.80

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Solution

The fourth proportional to 1,551,343.80, 2,327,015.70 and 429,412.80 is: 644,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,343.80 : 2,327,015.70 = 429,412.80 : x
  2. Step 2: Convert to fraction form
    1,551,343.80/2,327,015.70 = 429,412.80/x
  3. Step 3: Cross multiply
    1,551,343.80x = 2,327,015.70 × 429,412.80
  4. Step 4: Simplify right side
    1,551,343.80x = 999,250,327,380.96
  5. Step 5: Solve for x
    x = 999,250,327,380.96/1,551,343.80
  6. Step 6: Final answer
    x = 644,119.20

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Similar ratio
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1.5x scale

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.