Home / 1,444,507.42-2,165,578.86-545,438.98

Finding the Fourth Proportional to 1,444,507.42, 2,165,578.86 and 545,438.98

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Solution

The fourth proportional to 1,444,507.42, 2,165,578.86 and 545,438.98 is: 817,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,507.42 : 2,165,578.86 = 545,438.98 : x
  2. Step 2: Convert to fraction form
    1,444,507.42/2,165,578.86 = 545,438.98/x
  3. Step 3: Cross multiply
    1,444,507.42x = 2,165,578.86 × 545,438.98
  4. Step 4: Simplify right side
    1,444,507.42x = 1,181,191,124,507.96
  5. Step 5: Solve for x
    x = 1,181,191,124,507.96/1,444,507.42
  6. Step 6: Final answer
    x = 817,712.05

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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.