Home / 1,661,432.76-2,492,148.78-399,260.40

Finding the Fourth Proportional to 1,661,432.76, 2,492,148.78 and 399,260.40

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Solution

The fourth proportional to 1,661,432.76, 2,492,148.78 and 399,260.40 is: 598,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,432.76 : 2,492,148.78 = 399,260.40 : x
  2. Step 2: Convert to fraction form
    1,661,432.76/2,492,148.78 = 399,260.40/x
  3. Step 3: Cross multiply
    1,661,432.76x = 2,492,148.78 × 399,260.40
  4. Step 4: Simplify right side
    1,661,432.76x = 995,016,318,762.31
  5. Step 5: Solve for x
    x = 995,016,318,762.31/1,661,432.76
  6. Step 6: Final answer
    x = 598,890.51

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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.