Home / 1,206,872.50-1,810,541.87-458,860.34

Finding the Fourth Proportional to 1,206,872.50, 1,810,541.87 and 458,860.34

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Solution

The fourth proportional to 1,206,872.50, 1,810,541.87 and 458,860.34 is: 688,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,872.50 : 1,810,541.87 = 458,860.34 : x
  2. Step 2: Convert to fraction form
    1,206,872.50/1,810,541.87 = 458,860.34/x
  3. Step 3: Cross multiply
    1,206,872.50x = 1,810,541.87 × 458,860.34
  4. Step 4: Simplify right side
    1,206,872.50x = 830,785,858,052.44
  5. Step 5: Solve for x
    x = 830,785,858,052.44/1,206,872.50
  6. Step 6: Final answer
    x = 688,379.14

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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.