Home / 1,252,427.18-1,728,352.82-679,467.34

Finding the Fourth Proportional to 1,252,427.18, 1,728,352.82 and 679,467.34

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Solution

The fourth proportional to 1,252,427.18, 1,728,352.82 and 679,467.34 is: 937,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,427.18 : 1,728,352.82 = 679,467.34 : x
  2. Step 2: Convert to fraction form
    1,252,427.18/1,728,352.82 = 679,467.34/x
  3. Step 3: Cross multiply
    1,252,427.18x = 1,728,352.82 × 679,467.34
  4. Step 4: Simplify right side
    1,252,427.18x = 1,174,359,281,147.80
  5. Step 5: Solve for x
    x = 1,174,359,281,147.80/1,252,427.18
  6. Step 6: Final answer
    x = 937,666.72

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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.