Home / 1,409,199.21-2,113,793.10-510,430.59

Finding the Fourth Proportional to 1,409,199.21, 2,113,793.10 and 510,430.59

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Solution

The fourth proportional to 1,409,199.21, 2,113,793.10 and 510,430.59 is: 765,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,199.21 : 2,113,793.10 = 510,430.59 : x
  2. Step 2: Convert to fraction form
    1,409,199.21/2,113,793.10 = 510,430.59/x
  3. Step 3: Cross multiply
    1,409,199.21x = 2,113,793.10 × 510,430.59
  4. Step 4: Simplify right side
    1,409,199.21x = 1,078,944,659,170.93
  5. Step 5: Solve for x
    x = 1,078,944,659,170.93/1,409,199.21
  6. Step 6: Final answer
    x = 765,643.81

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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.