Home / 1,547,936.42-2,321,917.60-426,066.98

Finding the Fourth Proportional to 1,547,936.42, 2,321,917.60 and 426,066.98

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Solution

The fourth proportional to 1,547,936.42, 2,321,917.60 and 426,066.98 is: 639,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,936.42 : 2,321,917.60 = 426,066.98 : x
  2. Step 2: Convert to fraction form
    1,547,936.42/2,321,917.60 = 426,066.98/x
  3. Step 3: Cross multiply
    1,547,936.42x = 2,321,917.60 × 426,066.98
  4. Step 4: Simplify right side
    1,547,936.42x = 989,292,419,640.85
  5. Step 5: Solve for x
    x = 989,292,419,640.85/1,547,936.42
  6. Step 6: Final answer
    x = 639,104.04

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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.