Home / 999,087.20-1,498,630.80-694,656.80

Finding the Fourth Proportional to 999,087.20, 1,498,630.80 and 694,656.80

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Solution

The fourth proportional to 999,087.20, 1,498,630.80 and 694,656.80 is: 1,041,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,087.20 : 1,498,630.80 = 694,656.80 : x
  2. Step 2: Convert to fraction form
    999,087.20/1,498,630.80 = 694,656.80/x
  3. Step 3: Cross multiply
    999,087.20x = 1,498,630.80 × 694,656.80
  4. Step 4: Simplify right side
    999,087.20x = 1,041,034,075,909.44
  5. Step 5: Solve for x
    x = 1,041,034,075,909.44/999,087.20
  6. Step 6: Final answer
    x = 1,041,985.20

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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.