Home / 1,434,051.81-2,149,503.08-486,709.02

Finding the Fourth Proportional to 1,434,051.81, 2,149,503.08 and 486,709.02

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Solution

The fourth proportional to 1,434,051.81, 2,149,503.08 and 486,709.02 is: 729,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,051.81 : 2,149,503.08 = 486,709.02 : x
  2. Step 2: Convert to fraction form
    1,434,051.81/2,149,503.08 = 486,709.02/x
  3. Step 3: Cross multiply
    1,434,051.81x = 2,149,503.08 × 486,709.02
  4. Step 4: Simplify right side
    1,434,051.81x = 1,046,182,535,120.24
  5. Step 5: Solve for x
    x = 1,046,182,535,120.24/1,434,051.81
  6. Step 6: Final answer
    x = 729,529.11

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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.