Home / 1,248,462.29-1,872,709.32-438,814.02

Finding the Fourth Proportional to 1,248,462.29, 1,872,709.32 and 438,814.02

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Solution

The fourth proportional to 1,248,462.29, 1,872,709.32 and 438,814.02 is: 658,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,462.29 : 1,872,709.32 = 438,814.02 : x
  2. Step 2: Convert to fraction form
    1,248,462.29/1,872,709.32 = 438,814.02/x
  3. Step 3: Cross multiply
    1,248,462.29x = 1,872,709.32 × 438,814.02
  4. Step 4: Simplify right side
    1,248,462.29x = 821,771,105,000.67
  5. Step 5: Solve for x
    x = 821,771,105,000.67/1,248,462.29
  6. Step 6: Final answer
    x = 658,226.62

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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.