Home / 999,118.80-1,498,678.20-325,263.60

Finding the Fourth Proportional to 999,118.80, 1,498,678.20 and 325,263.60

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Solution

The fourth proportional to 999,118.80, 1,498,678.20 and 325,263.60 is: 487,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,118.80 : 1,498,678.20 = 325,263.60 : x
  2. Step 2: Convert to fraction form
    999,118.80/1,498,678.20 = 325,263.60/x
  3. Step 3: Cross multiply
    999,118.80x = 1,498,678.20 × 325,263.60
  4. Step 4: Simplify right side
    999,118.80x = 487,465,466,573.52
  5. Step 5: Solve for x
    x = 487,465,466,573.52/999,118.80
  6. Step 6: Final answer
    x = 487,895.40

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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.