Home / 1,331,056.10-1,837,233.72-787,380.91

Finding the Fourth Proportional to 1,331,056.10, 1,837,233.72 and 787,380.91

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Solution

The fourth proportional to 1,331,056.10, 1,837,233.72 and 787,380.91 is: 1,086,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,056.10 : 1,837,233.72 = 787,380.91 : x
  2. Step 2: Convert to fraction form
    1,331,056.10/1,837,233.72 = 787,380.91/x
  3. Step 3: Cross multiply
    1,331,056.10x = 1,837,233.72 × 787,380.91
  4. Step 4: Simplify right side
    1,331,056.10x = 1,446,602,745,213.21
  5. Step 5: Solve for x
    x = 1,446,602,745,213.21/1,331,056.10
  6. Step 6: Final answer
    x = 1,086,808.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.