Home / 1,971,937.20-2,959,072.20-709,600.80

Finding the Fourth Proportional to 1,971,937.20, 2,959,072.20 and 709,600.80

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Solution

The fourth proportional to 1,971,937.20, 2,959,072.20 and 709,600.80 is: 1,064,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,937.20 : 2,959,072.20 = 709,600.80 : x
  2. Step 2: Convert to fraction form
    1,971,937.20/2,959,072.20 = 709,600.80/x
  3. Step 3: Cross multiply
    1,971,937.20x = 2,959,072.20 × 709,600.80
  4. Step 4: Simplify right side
    1,971,937.20x = 2,099,760,000,377.76
  5. Step 5: Solve for x
    x = 2,099,760,000,377.76/1,971,937.20
  6. Step 6: Final answer
    x = 1,064,820.93

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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.