Home / 1,629,971.10-2,443,207.05-618,702.30

Finding the Fourth Proportional to 1,629,971.10, 2,443,207.05 and 618,702.30

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Solution

The fourth proportional to 1,629,971.10, 2,443,207.05 and 618,702.30 is: 927,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,971.10 : 2,443,207.05 = 618,702.30 : x
  2. Step 2: Convert to fraction form
    1,629,971.10/2,443,207.05 = 618,702.30/x
  3. Step 3: Cross multiply
    1,629,971.10x = 2,443,207.05 × 618,702.30
  4. Step 4: Simplify right side
    1,629,971.10x = 1,511,617,821,211.22
  5. Step 5: Solve for x
    x = 1,511,617,821,211.22/1,629,971.10
  6. Step 6: Final answer
    x = 927,389.34

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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.