Home / 1,412,439.50-2,119,592.37-664,543.82

Finding the Fourth Proportional to 1,412,439.50, 2,119,592.37 and 664,543.82

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Solution

The fourth proportional to 1,412,439.50, 2,119,592.37 and 664,543.82 is: 997,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,439.50 : 2,119,592.37 = 664,543.82 : x
  2. Step 2: Convert to fraction form
    1,412,439.50/2,119,592.37 = 664,543.82/x
  3. Step 3: Cross multiply
    1,412,439.50x = 2,119,592.37 × 664,543.82
  4. Step 4: Simplify right side
    1,412,439.50x = 1,408,562,010,402.65
  5. Step 5: Solve for x
    x = 1,408,562,010,402.65/1,412,439.50
  6. Step 6: Final answer
    x = 997,254.76

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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.