Home / 1,500,561.96-2,247,239.10-858,921

Finding the Fourth Proportional to 1,500,561.96, 2,247,239.10 and 858,921

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Solution

The fourth proportional to 1,500,561.96, 2,247,239.10 and 858,921 is: 1,286,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,561.96 : 2,247,239.10 = 858,921 : x
  2. Step 2: Convert to fraction form
    1,500,561.96/2,247,239.10 = 858,921/x
  3. Step 3: Cross multiply
    1,500,561.96x = 2,247,239.10 × 858,921
  4. Step 4: Simplify right side
    1,500,561.96x = 1,930,200,855,011.10
  5. Step 5: Solve for x
    x = 1,930,200,855,011.10/1,500,561.96
  6. Step 6: Final answer
    x = 1,286,318.66

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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.