Home / 1,237,840.10-1,855,010.55-763,115.30

Finding the Fourth Proportional to 1,237,840.10, 1,855,010.55 and 763,115.30

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Solution

The fourth proportional to 1,237,840.10, 1,855,010.55 and 763,115.30 is: 1,143,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,840.10 : 1,855,010.55 = 763,115.30 : x
  2. Step 2: Convert to fraction form
    1,237,840.10/1,855,010.55 = 763,115.30/x
  3. Step 3: Cross multiply
    1,237,840.10x = 1,855,010.55 × 763,115.30
  4. Step 4: Simplify right side
    1,237,840.10x = 1,415,586,932,366.42
  5. Step 5: Solve for x
    x = 1,415,586,932,366.42/1,237,840.10
  6. Step 6: Final answer
    x = 1,143,594.34

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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.