Home / 1,093,400.70-1,640,101.05-671,307.90

Finding the Fourth Proportional to 1,093,400.70, 1,640,101.05 and 671,307.90

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Solution

The fourth proportional to 1,093,400.70, 1,640,101.05 and 671,307.90 is: 1,006,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,400.70 : 1,640,101.05 = 671,307.90 : x
  2. Step 2: Convert to fraction form
    1,093,400.70/1,640,101.05 = 671,307.90/x
  3. Step 3: Cross multiply
    1,093,400.70x = 1,640,101.05 × 671,307.90
  4. Step 4: Simplify right side
    1,093,400.70x = 1,101,012,791,663.30
  5. Step 5: Solve for x
    x = 1,101,012,791,663.30/1,093,400.70
  6. Step 6: Final answer
    x = 1,006,961.85

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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.