Home / 1,339,677.11-1,848,718.42-788,425.25

Finding the Fourth Proportional to 1,339,677.11, 1,848,718.42 and 788,425.25

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Solution

The fourth proportional to 1,339,677.11, 1,848,718.42 and 788,425.25 is: 1,088,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,677.11 : 1,848,718.42 = 788,425.25 : x
  2. Step 2: Convert to fraction form
    1,339,677.11/1,848,718.42 = 788,425.25/x
  3. Step 3: Cross multiply
    1,339,677.11x = 1,848,718.42 × 788,425.25
  4. Step 4: Simplify right side
    1,339,677.11x = 1,457,576,281,652.49
  5. Step 5: Solve for x
    x = 1,457,576,281,652.49/1,339,677.11
  6. Step 6: Final answer
    x = 1,088,005.66

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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.