Home / 999,166.80-1,498,750.20-289,266.60

Finding the Fourth Proportional to 999,166.80, 1,498,750.20 and 289,266.60

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Solution

The fourth proportional to 999,166.80, 1,498,750.20 and 289,266.60 is: 433,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,166.80 : 1,498,750.20 = 289,266.60 : x
  2. Step 2: Convert to fraction form
    999,166.80/1,498,750.20 = 289,266.60/x
  3. Step 3: Cross multiply
    999,166.80x = 1,498,750.20 × 289,266.60
  4. Step 4: Simplify right side
    999,166.80x = 433,538,374,603.32
  5. Step 5: Solve for x
    x = 433,538,374,603.32/999,166.80
  6. Step 6: Final answer
    x = 433,899.90

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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.