Home / 1,092,081.70-1,638,122.55-997,603.30

Finding the Fourth Proportional to 1,092,081.70, 1,638,122.55 and 997,603.30

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Solution

The fourth proportional to 1,092,081.70, 1,638,122.55 and 997,603.30 is: 1,496,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,081.70 : 1,638,122.55 = 997,603.30 : x
  2. Step 2: Convert to fraction form
    1,092,081.70/1,638,122.55 = 997,603.30/x
  3. Step 3: Cross multiply
    1,092,081.70x = 1,638,122.55 × 997,603.30
  4. Step 4: Simplify right side
    1,092,081.70x = 1,634,196,461,684.42
  5. Step 5: Solve for x
    x = 1,634,196,461,684.42/1,092,081.70
  6. Step 6: Final answer
    x = 1,496,404.95

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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.