Home / 999,976.55-1,500,151.61-400,984.58

Finding the Fourth Proportional to 999,976.55, 1,500,151.61 and 400,984.58

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Solution

The fourth proportional to 999,976.55, 1,500,151.61 and 400,984.58 is: 601,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,976.55 : 1,500,151.61 = 400,984.58 : x
  2. Step 2: Convert to fraction form
    999,976.55/1,500,151.61 = 400,984.58/x
  3. Step 3: Cross multiply
    999,976.55x = 1,500,151.61 × 400,984.58
  4. Step 4: Simplify right side
    999,976.55x = 601,537,668,025.01
  5. Step 5: Solve for x
    x = 601,537,668,025.01/999,976.55
  6. Step 6: Final answer
    x = 601,551.78

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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.