Home / 999,052.40-1,498,578.60-663,129.20

Finding the Fourth Proportional to 999,052.40, 1,498,578.60 and 663,129.20

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Solution

The fourth proportional to 999,052.40, 1,498,578.60 and 663,129.20 is: 994,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,052.40 : 1,498,578.60 = 663,129.20 : x
  2. Step 2: Convert to fraction form
    999,052.40/1,498,578.60 = 663,129.20/x
  3. Step 3: Cross multiply
    999,052.40x = 1,498,578.60 × 663,129.20
  4. Step 4: Simplify right side
    999,052.40x = 993,751,228,155.12
  5. Step 5: Solve for x
    x = 993,751,228,155.12/999,052.40
  6. Step 6: Final answer
    x = 994,693.80

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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.