Home / 1,998,507.88-2,997,262.45-784,331.11

Finding the Fourth Proportional to 1,998,507.88, 2,997,262.45 and 784,331.11

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Solution

The fourth proportional to 1,998,507.88, 2,997,262.45 and 784,331.11 is: 1,176,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,507.88 : 2,997,262.45 = 784,331.11 : x
  2. Step 2: Convert to fraction form
    1,998,507.88/2,997,262.45 = 784,331.11/x
  3. Step 3: Cross multiply
    1,998,507.88x = 2,997,262.45 × 784,331.11
  4. Step 4: Simplify right side
    1,998,507.88x = 2,350,846,184,369.82
  5. Step 5: Solve for x
    x = 2,350,846,184,369.82/1,998,507.88
  6. Step 6: Final answer
    x = 1,176,300.68

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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.