Home / 1,230,467.72-1,845,690.04-389,019.56

Finding the Fourth Proportional to 1,230,467.72, 1,845,690.04 and 389,019.56

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Solution

The fourth proportional to 1,230,467.72, 1,845,690.04 and 389,019.56 is: 583,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,467.72 : 1,845,690.04 = 389,019.56 : x
  2. Step 2: Convert to fraction form
    1,230,467.72/1,845,690.04 = 389,019.56/x
  3. Step 3: Cross multiply
    1,230,467.72x = 1,845,690.04 × 389,019.56
  4. Step 4: Simplify right side
    1,230,467.72x = 718,009,527,257.18
  5. Step 5: Solve for x
    x = 718,009,527,257.18/1,230,467.72
  6. Step 6: Final answer
    x = 583,525.69

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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.