Home / 1,630,564.41-2,250,386.51-985,989.18

Finding the Fourth Proportional to 1,630,564.41, 2,250,386.51 and 985,989.18

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Solution

The fourth proportional to 1,630,564.41, 2,250,386.51 and 985,989.18 is: 1,360,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,564.41 : 2,250,386.51 = 985,989.18 : x
  2. Step 2: Convert to fraction form
    1,630,564.41/2,250,386.51 = 985,989.18/x
  3. Step 3: Cross multiply
    1,630,564.41x = 2,250,386.51 × 985,989.18
  4. Step 4: Simplify right side
    1,630,564.41x = 2,218,856,744,748.02
  5. Step 5: Solve for x
    x = 2,218,856,744,748.02/1,630,564.41
  6. Step 6: Final answer
    x = 1,360,790.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.