Home / 1,092,181.20-1,638,271.80-997,702.80

Finding the Fourth Proportional to 1,092,181.20, 1,638,271.80 and 997,702.80

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Solution

The fourth proportional to 1,092,181.20, 1,638,271.80 and 997,702.80 is: 1,496,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,181.20 : 1,638,271.80 = 997,702.80 : x
  2. Step 2: Convert to fraction form
    1,092,181.20/1,638,271.80 = 997,702.80/x
  3. Step 3: Cross multiply
    1,092,181.20x = 1,638,271.80 × 997,702.80
  4. Step 4: Simplify right side
    1,092,181.20x = 1,634,508,362,021.04
  5. Step 5: Solve for x
    x = 1,634,508,362,021.04/1,092,181.20
  6. Step 6: Final answer
    x = 1,496,554.20

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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.