Home / 1,101,023.40-1,651,146.30-391,074.60

Finding the Fourth Proportional to 1,101,023.40, 1,651,146.30 and 391,074.60

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Solution

The fourth proportional to 1,101,023.40, 1,651,146.30 and 391,074.60 is: 586,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,023.40 : 1,651,146.30 = 391,074.60 : x
  2. Step 2: Convert to fraction form
    1,101,023.40/1,651,146.30 = 391,074.60/x
  3. Step 3: Cross multiply
    1,101,023.40x = 1,651,146.30 × 391,074.60
  4. Step 4: Simplify right side
    1,101,023.40x = 645,721,378,813.98
  5. Step 5: Solve for x
    x = 645,721,378,813.98/1,101,023.40
  6. Step 6: Final answer
    x = 586,473.80

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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.