Home / 999,974.80-1,500,148.99-400,982.84

Finding the Fourth Proportional to 999,974.80, 1,500,148.99 and 400,982.84

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Solution

The fourth proportional to 999,974.80, 1,500,148.99 and 400,982.84 is: 601,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,974.80 : 1,500,148.99 = 400,982.84 : x
  2. Step 2: Convert to fraction form
    999,974.80/1,500,148.99 = 400,982.84/x
  3. Step 3: Cross multiply
    999,974.80x = 1,500,148.99 × 400,982.84
  4. Step 4: Simplify right side
    999,974.80x = 601,533,994,932.59
  5. Step 5: Solve for x
    x = 601,533,994,932.59/999,974.80
  6. Step 6: Final answer
    x = 601,549.16

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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.