Home / 999,974.67-1,500,148.80-400,982.71

Finding the Fourth Proportional to 999,974.67, 1,500,148.80 and 400,982.71

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Solution

The fourth proportional to 999,974.67, 1,500,148.80 and 400,982.71 is: 601,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,974.67 : 1,500,148.80 = 400,982.71 : x
  2. Step 2: Convert to fraction form
    999,974.67/1,500,148.80 = 400,982.71/x
  3. Step 3: Cross multiply
    999,974.67x = 1,500,148.80 × 400,982.71
  4. Step 4: Simplify right side
    999,974.67x = 601,533,727,476.88
  5. Step 5: Solve for x
    x = 601,533,727,476.88/999,974.67
  6. Step 6: Final answer
    x = 601,548.96

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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.