Home / 841,002.65-1,261,704.86-280,042.01

Finding the Fourth Proportional to 841,002.65, 1,261,704.86 and 280,042.01

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Solution

The fourth proportional to 841,002.65, 1,261,704.86 and 280,042.01 is: 420,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,002.65 : 1,261,704.86 = 280,042.01 : x
  2. Step 2: Convert to fraction form
    841,002.65/1,261,704.86 = 280,042.01/x
  3. Step 3: Cross multiply
    841,002.65x = 1,261,704.86 × 280,042.01
  4. Step 4: Simplify right side
    841,002.65x = 353,330,363,620.96
  5. Step 5: Solve for x
    x = 353,330,363,620.96/841,002.65
  6. Step 6: Final answer
    x = 420,129.91

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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.