Home / 840,001.41-1,260,006.67-208,915.22

Finding the Fourth Proportional to 840,001.41, 1,260,006.67 and 208,915.22

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Solution

The fourth proportional to 840,001.41, 1,260,006.67 and 208,915.22 is: 313,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,001.41 : 1,260,006.67 = 208,915.22 : x
  2. Step 2: Convert to fraction form
    840,001.41/1,260,006.67 = 208,915.22/x
  3. Step 3: Cross multiply
    840,001.41x = 1,260,006.67 × 208,915.22
  4. Step 4: Simplify right side
    840,001.41x = 263,234,570,664.52
  5. Step 5: Solve for x
    x = 263,234,570,664.52/840,001.41
  6. Step 6: Final answer
    x = 313,373.96

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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.