Home / 1,565,900.96-2,349,219.20-486,358.40

Finding the Fourth Proportional to 1,565,900.96, 2,349,219.20 and 486,358.40

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Solution

The fourth proportional to 1,565,900.96, 2,349,219.20 and 486,358.40 is: 729,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,900.96 : 2,349,219.20 = 486,358.40 : x
  2. Step 2: Convert to fraction form
    1,565,900.96/2,349,219.20 = 486,358.40/x
  3. Step 3: Cross multiply
    1,565,900.96x = 2,349,219.20 × 486,358.40
  4. Step 4: Simplify right side
    1,565,900.96x = 1,142,562,491,361.28
  5. Step 5: Solve for x
    x = 1,142,562,491,361.28/1,565,900.96
  6. Step 6: Final answer
    x = 729,651.82

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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.